Most political analysis starts with policy. Voters chose this candidate because of the economy, immigration, healthcare, taxes. And for most voters in most elections, that’s probably true. But Donald Trump is not most candidates. And the question that keeps surfacing isn’t why people agree with him. It’s why they love him more every time he does something cruel. The mockery. The insults. The attacks on disabled reporters, Gold Star families, and women. Behavior that would end any other political career has somehow become the foundation of his. In 2021, psychologist Matthew Yalch at Palo Alto University published a study in PLOS ONE titled “Dimensions of pathological narcissism and intention to vote for Donald Trump.” And what he found should make everyone uncomfortable, including the people it describes. Narcissism predicted the worst part of Trump supporters Yalch didn’t just measure whether Trump supporters were narcissistic. He wanted to know which kind of narcissism predicted voting for Trump. Because narcissism isn’t one thing. It’s a hierarchy of related traits, and researchers have long distinguished between its two major expressions. Grandiose narcissism is the loud version. The inflated self-image, the need for admiration, the belief that you’re special and everyone should recognize it. Vulnerable narcissism is quieter and more defensive. The fragile ego, the hypersensitivity to criticism, the constant feeling that you’re being undervalued. Both types share a common core: antagonism, entitlement, manipulation, and a lack of empathy. Using a statistical technique called principal components analysis, Yalch mapped the hierarchical structure of pathological narcissism and tested which level of that hierarchy best predicted the intention to vote for Trump in 2020. The answer wasn’t general narcissism. It wasn’t even the grandiose or vulnerable distinction. It was a specific cluster that sat deeper in the hierarchy. The antagonistic and indifferent facets of narcissism, what researchers describe as self-centered hostility toward others combined with a lack of concern for the damage caused, predicted Trump voting over and above demographic variables like age, race, and education. In other words, the thing that set Trump supporters apart wasn’t just that they had big egos. It was that they were hostile, contemptuous, and indifferent to other people’s suffering. The cruelty wasn’t incidental. It was structural. Where antagonistic narcissism comes from. The developmental literature on narcissism makes the picture worse, not better. Research on the childhood origins of narcissistic traits has consistently pointed to a few recurring environments. Children raised in homes where emotional vulnerability was punished tend to develop defensive personality structures that protect them from the shame of being seen as weak. Children raised by permissive parents who never set boundaries tend to develop inflated self-concepts that collapse under real-world accountability. And children raised in environments of conditional approval, where love was earned through performance rather than given freely, tend to build what clinicians call a “false self,” a constructed identity that requires constant external validation to survive. The grandiose version of this false self seeks admiration. The antagonistic version seeks dominance. And when dominance is unavailable, it settles for contempt. Looking down on immigrants, gay people, trans people, anyone who can be framed as lower on the hierarchy so that the narcissist doesn’t have to sit at the bottom. This isn’t born cruelty. It’s manufactured cruelty. Built in childhood, reinforced through adolescence, and calcified into a personality structure that can’t process accountability without experiencing it as an existential threat. For people with this profile, being told they’re wrong doesn’t register as feedback. It registers as annihilation. The five mechanisms working as a system. Yalch’s study answers the first question: who are these people? But the video companion to this piece lays out five interconnected mechanisms that explain how Donald Trump turned their personality traits into political loyalty. The first is recognition. People with antagonistic narcissistic traits see themselves in Trump. His behavior mirrors theirs. His refusal to apologize, his hostility toward critics, his contempt for vulnerability all feel familiar. They’re not attracted to a politician. They’re attracted to a reflection. The second is validation through motivated reasoning. Ziva Kunda’s landmark 1990 research at Princeton demonstrated that when people are motivated to reach a particular conclusion, their brains selectively gather supporting evidence and ignore contradictions, all without conscious awareness. For someone who has spent years being told their cruelty is wrong, watching a man with identical traits become president isn’t processed as politics. It’s processed as proof. The third is behavioral disinhibition. Albert Bandura’s social learning theory, developed at Stanford in the 1970s, showed that people learn what behaviors are acceptable by observing powerful models and the consequences they face. When a powerful figure performs prohibited behaviors and faces no consequences, observers’ internal restraint weakens. The behavior that was suppressed becomes expressed. And this effect is strongest in people who already have the impulse. Trump doesn’t create cruelty. He gives it permission to come out of hiding. The fourth is sadistic gratification. Erin Buckels’ 2013 research at the University of British Columbia on everyday sadism demonstrated that ordinary, non-criminal individuals can experience genuine pleasure from observing others’ suffering, and will even perform tedious, unrewarded work just for the opportunity to harm someone who hasn’t provoked them. Trump rallies function as organized public performances of humiliation. The target changes. The pleasure doesn’t. The fifth is vicarious dominance. Joey Cheng and Jessica Tracy’s dominance-prestige model, also developed at the University of British Columbia, showed that there are two distinct pathways to leadership: prestige, earned through competence and respect, and dominance, imposed through intimidation and force. People are drawn to dominant leaders even when prestigious alternatives are available, and this tendency is strongest in people who feel powerless in their own lives. Trump supporters don’t just want a leader who shares their values. They want a bully who will punish the people they resent on a national stage. These five mechanisms don’t operate independently. They form a self-reinforcing system. Recognition draws them in. Validation keeps them invested. Disinhibition gives them permission to act. Sadistic pleasure makes the experience rewarding. And vicarious dominance makes it addictive. Each mechanism feeds the others, and the whole system intensifies every time Trump crosses another line without consequence. What Yalch himself said about the implications. Yalch was careful to note that his findings do not mean all Trump supporters are narcissists, or that all narcissists voted for Trump. Pathological narcissism is one variable among many that influence political behavior. But what he did say is worth sitting with. In an interview with PsyPost, Yalch observed that Trump ran his 2020 campaign and his presidency more broadly on the exact dimensions of narcissism highlighted in the study. Antagonism and indifference, Yalch noted, appeared to be guiding principles of the Trump era, both implicitly and explicitly. And he added that a platform rooted in animosity toward others can generate significant angry enthusiasm, but may not be convincing to the majority of people. The researchers also concluded that when considered alongside the fact that Trump lost the 2020 election, the findings suggest that appealing to the darker aspects of personality may not be the most effective strategy for winning elections. That conclusion aged poorly. The uncomfortable truth about personality and politics. The standard political analysis treats voters as rational actors weighing costs and benefits. Policy preferences in, vote out. And for plenty of voters, that model is probably accurate enough. But personality research, including Yalch’s work and the broader body of literature connecting antagonistic traits to authoritarian political attitudes, keeps pointing at something the rational-actor model can’t explain. Some people don’t choose leaders based on what those leaders will do for them. They choose leaders based on who those leaders are. And when the leader is cruel, hostile, and indifferent to the suffering of others, the people who share those exact traits don’t see a liability. They see themselves, winning for the first time. That’s not a policy preference. That’s a personality match. And no amount of fact-checking, counter-messaging, or coalition-building will reach someone whose political loyalty is rooted not in what they believe, but in who they are. Sources Yalch, M.M. (2021). Dimensions of pathological narcissism and intention to vote for Donald Trump. PLOS ONE, 16(4), e0249892. Bandura, A. (1977). Social Learning Theory. Prentice Hall. Kunda, Z. (1990). The case for motivated reasoning. Psychological Bulletin, 108(3), 480-498. Buckels, E.E., Jones, D.N., & Paulhus, D.L. (2013). Behavioral confirmation of everyday sadism. Psychological Science, 24(11), 2201-2209. Cheng, J.T., Tracy, J.L., Foulsham, T., Kingstone, A., & Henrich, J. (2013). Two ways to the top: Evidence that dominance and prestige are distinct yet viable avenues to social rank and influence. Journal of Personality and Social Psychology, 104(1), 103-125. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes