And the large college teams are benefitting from the boosters, the money, the fans, and the infrastructure. But with the proliferation of pro teams in the south and increase of college football teams in general, it is weakening the stranglehold that the major southern schools had on recruiting.
Urban Meyer, in the book Urban's Way, emphasizes the recruiting aspect of his program and how its success is built on having the best athletes on the field and making them work the hardest. So if Florida's football program declines, it won't be without notice. He'll keep recruiting the best athletes he can find.
But the real issue is prestige. Can the major schools maintain their prestige? Because that is their "economic moat" to use a Warren Buffet term.