If we rehired him, he would jump at the first opportunity to another team. No chance to develop continuity long-term. Get someone new who will be in GB for a while who wants to be here.
I get the downside. But to improve, you must have someone new you want to develop and grow with long term. Frank Cignetti is Italian for stop gap.
Bud Adams told me the franchise he admired the most was the Kansas City Chiefs. Then he asked for more hookers and blow.