ABC switched their national time slot to 11:00 AM and made 2:30 regional several years back-- that's when this game started being played (occasionally) at 11:00 AM. In previous years, Florida State - Miami was on the same weekend, and often won the 11 AM national slot, which relegated us to 2:30 regional in those cases.
Personally, I like both time slots, I'll be getting to the State Fair as soon as the gates open in either case, going straight to the Coupon booth, and then immediately for some 5-coupon wax cup beer and some Fletcher's corny dogs, which to me is the best breakfast in the world.
I'd be okay with a night game, I usually hang around the Fair well past dark and have never had any problems, but as stated above, I don't think either university would ever go for a night game.