This is why I stopped reading at the first sentence. Any critique or comment that followed was based on a false premise, here your characterization of "rehab."
When he was fired at FIU the decision was widely criticized by the media. Rightfully so.
He was then hired at Miami. Not Ohio, the Miami Hurricanes. One of the titles he held, among position coach, was that of an assistant coach. It didn't take long and he's at Alabama when Saban called and offered him a job in Tuscaloosa. Coincidently, with the same title along with having a role as a position coach.
You don't go from one, Miami, to another, Alabama, and call it rehab. He literally went from being hired, hired with a raise and better job and then hired again. All within a matter of weeks...
They were winless the season before they hired him as head coach. Four years later they win the Sun Belt. First winning season in FIU's history? Cristobal. A bad season and he's fired.
And he's at Miami ...
I see a problem with critiquing a coach when you don't know anything about the coach.