OK, Fassel and Billek have at least done something, though their success rate was brief. But what has Scot Piloi done? Yes, he's the personal man for the the Super Bowl champs, but how does anyone know that all their success isn't due to Bill B? It's just like teams who hire coordinators of Super Bowl teams somehow think that will make them a great head vcoach too. Maybe, or maybe not!
TD had a good record in Pitt too, comparable with Wolf, other than Wolf I believe was still the GM in Green Bay when they won the Super Bowl. So I don't see where dumping TD for either of them two as GM is any kind of guarentee that we'll be in better shape.