I don't blame Billy C for the offense... I think it is doing great. My thing is he is the head coach and it at times it seems like we have two head coaches... Bill takes care of the offense and Coz the defense. Bill needs to get more involved in the defense and make sure they are progressing the way they need to. He has an offensive coordinator for a reason, sometimes I think he gets too involved in the offense and forgets that he isn't the offensive coordinator and that he is the head coach... he needs to have involvement in the defense as well.
Well consider this. In games against Texas, Auburn, Oklahoma and USC the Huskers averaged under 2.2 yards per carry rushing. Against good defenses the Husker offense cannot run, becomes one dimensional and does not score often (except in clean up duty against backups in a blow-out).
So.... the defense is a bigger problem. but the offense is also in need of work.
Oh.... and the bigget problem is coaching.