Front End Architecture Front End Center

Building a database or application without a plan seems crazy. Why is that the standard expectation for so many front end developers today?

Soundshrim, Ambient Background - https://www.jamendo.com/track/1320383/ambient-background?language=en

Chris Zabriskie, Air Hockey Saloon - http://freemusicarchive.org/music/Chris_Zabriskie/Vendaface/05_-_Air_Hockey_Saloon

Jahzzar, Siesta - http://freemusicarchive.org/music/Jahzzar/Travellers_Guide/Siesta