DETROIT — College football is a wonderful mess, as usual. The NCAA is clueless, as usual. Boosters are relentless, as usual. Fans are gleefully willing to overlook escalating concerns as long as Johnny Fivestar sticks to his commitment and Coach Bigbucks beats State U. This is what everyone wanted, right? Expand the playoff! Expand the power conferences! Build bigger weight rooms and coaching offices to comfortably fit all the egos! The sport has been rocked by its own largesse and arrogance, and it’s impossible to gauge where it’s headed. Once the Supreme Court confirmed players’ rights to ea…