Manny vs Saban is just one factor joining the ones I listed yet you say it like you know it is fact.
If it simply comes down to coaches teams could save a lot of money on travel and simply not play the games. It comes down to coaching, not trying to put you down, is simply what everyone says and generally a given as part of the equation. Players play the game and coaches need to have them prepared, and put them in position to succeed during the game. Management 101.
Coach: "I need you as our LB to read and fill"
Player: "But coach, I am slow and blind"
Coach: "As a great coach I will mentally 'will' you to the gap"