It will only change with consistant winning. Winning every other year and now four years of losing does not bring fans in droves. We start winning and we will have a homefield advantage and a lot more support in general.
What about him as a possible HC? I don't know much about him, but he was with Pittsburgh for awhile as WR coach and then OC and has seemed to be a doing a good job taking over the Colts while their coach is dealing with his illness. Would seem to fit the profile Jerry would look for except he's not on the defensive side of the ball.