You are digging too deep.
1. Who cares. Its all about getting their next head coach at this point. They just canned Willie to the tune of 18M. I dont think the staff's salaries are of any concern whatsoever.
Do people actually think the school is going to just hire Bob and input him in next week? The staff will coach the rest of the season and be non renewed at the conclusion of the last game no matter who they choose.