If Matt Patricia was good enough to rise from and OL assistant to a HC in the NFL over 20 odd years, he has proven he is a teacher AND a leader. I am confident he can get across the concepts that Bill wants to see happening on the OL.
I absolutely agree he is a very smart and experienced coach. But my contrast is to someone like Scar - I think you would agree that three decades coaching the OL gives him a depth of specialized experience that Matt can't possibly match.
In recent years there has been a run on OL coaches who had experience in the Shanahan type system - the general belief is that you need someone who has has specific experience in the system:
The difference with Shanahan’s offense and its various clones is that it’s extraordinarily difficult to teach, especially up front, because, for offensive linemen, most of the required movements are unique to this scheme.