Confidence, arrogance and a lack of respect for opponents are all different things. No college team should fail to respect or overlook an opponent. If you do and that opponent, even when vastly overmatched in talent, plays well than can win.
I want OU to be confident but I want that confidence to be based on the fact they are well prepared and know they can beat just about anybody when they play at the level they have demonstrated against Baylor, Texas and some of their other opponents.