Broncos hiring Pete Carmichael

I'm going to guess a dynamic changed after Mr B passed and CSP left due to that. Only thing that explains it. He's basically assembled the same team there that he had here as best he could.
Bingo...

And I think it had to do with her lack of backbone when it came to being screwed over by the league and officiating. Sean was getting personally targeted and she wasn't doing anything to fight back. I don't blame him for leaving.