A year from now, we may very well be saying you were right, but doesn't your stance hinge on HCSF being either too bullheaded to or mentally incapable of becoming a better coach while working on his shortcomings?
I'll present the argument that he was, to most everyone's surprise (including me) not close to a complete coach worthy of a P5 job in 2018. Fast forward to today, and while many deficiencies still exist, Scott has improved in some areas--although not as quickly as we could have hoped. He's still not near the top of the B1G as far a coaching goes, but with his steady, albeit slow, Improvement, why can't this work for him?
You seem pretty certain it will not work. Which I can only conclude that you either know him well enough to say he literally is in over his head, or for whatever reason you just don't like him as a person. I hate to assume your reasons and maybe I'm wrong on both counts, but help me out a little here.