Bronco, in his entire tenure, really hasn't gone out and sought the "good young coaches". His coaching circle is incredibly thin and part of the reason I'm moving rather quickly to the "let's move on" camp.
Now if you meant players, I'd agree with you. I believe it is already happening. But I think it is inevitable anyway, despite the coach. BYU isn't going to play the P5 Minor League NFL game, so get used to being a have-not, or pick a new team.