He was fired in week 13, after the Giants game before the Dallas game, of the season. Had he quit, he would have been labeled a quiter for leaving in the middle of the season like Petrino.
If he’d quit in mid-season he would have been a quitter. Getting fired in mid-season just means the boss is really sick of your crap. Mediocre coaches getting fired in mid-season isn’t unheard of and doesn’t necessarily mean the owner is a jerk. Unless of course they’re firing the guy that invented the 3-4 defense or something Jonesian like that.