Good point when you said:
“Never wore headsets, walked by himself along the sidelines seeming alone with his thoughts.”
When you think about it, a coaching style like that is pure leadership: Set the tone for your team and assistants, work with them during the week, but on game day, let them execute — without your micromanaging.
It’d sure take a lot for me to give up that input/control on game day.
And he did have a good run.
Now it makes sense why they chose an assistant. A good leader makes sure he has a top-notch replacement.