The team didn't finish ranked in the AP poll in any of his last 6 seasons. The peak was in the MWC years. Terrible NFL draft placement. Unbalanced rosters.
Bronco was a very good coach, but he was unlikely to lead BYU to a higher plateau than where the program was at from 2010-15. Bronco's teams also didn't play well on average against good opponents, but the team beat the teams it was supposed to. That was Bronco's strength