That isn't really true, football coaches like Clay Helton and Justin Wilcox make over $3m each per year in LA area.

Here is a list of all the head coach salaries in CA. https://transparentcalifornia.com/salaries/search/?q=head+co...

Also this $400k number isn't really what they are paid, it includes benefits that don't directly affect take home pay that most people wouldn't include when talking about a jobs pay