Haha. This reminds me of that terrible Robbie Benson basketball movie where he comes in as a hotshot freshman, but is terrible and the coach makes his life miserable to make him quit. Of course, the coach in that move is the antagonist (i.e., the bad guy).
I will say a prayer tonight thanking the Lord Jesus that you aren't the AD.
Manning has, ya know, friends and colleagues in the industry. You go your route, good look hiring the next coach - in a number of different sports.
As they say, while teaching is done in a classroom (used to be) - class ain't taught. You're approach is miserable-human being approach. Sounds like something Donald Trump would do.