re: Lessons that can be learned from this Bama exodus?

Fire coach mid-season.

New guy makes debut in bowl game.

Assume it is like stocks and primarily, not solely however, your worst enemy is fear of the unknown.

Obviously not applicable to gumps current situation.

Other than that re recruit the roster, playing time AND teammates, and the brand as a whole. We would have a leg up recruiting brand due to every coach except the current one in this century has won a championship.