If you are getting paid big money, they expect you to perform at that level. It is the same as any other job. You get paid at a high level for your peer group, you are expected to perform at a higher level than avg for your peer group. Grass isn't always greener, so will be interesting to see what he does. I am sure he has had several programs reach out to him and he has probably entertained interviews.
I am hoping he can leverage the offers into additional recruiting support and higher pay.