Welcome to the board,.
You hit on my fears about Rex...
"player's coach" Nothing wrong with this if you also hold the players accountable. In your eyes (& mine long distance) Rex didn't do that. I've said that it appeared that the inmates were running the asylum with Rex at the helm.
"game management" Too many "unforced" errors week in, week out. Too many head scratcher decisions regarding clock management and play calling.
My hope is that we get Good Rex and that he has learned from his mistakes. Like you, I'm all in on "my" team and hope that they finally have it right.