As a HS coach, I hate these types of comments.
Coaches are coaching for their livelihood every damn day.
They see more of the players than you do every damn day.
But, a coach is stubborn if he doesn’t do what you want? Ok.
Kind of off-topic, but I really dislike this line of argument. I've met people from all walks of life, in lots of professions, who will do the dumbest, most stubborn **** imaginable, even when it does indeed cost them their livelihood.
My observation of football coaches is that they're probably worse than usual in this regard.