"It's likely because (and this is true) they know that BYU has never, doesn't currently, and LIKELY WILL NEVER, have the horses to compete in P4 land when the game is long"
I emphasized in caps the concerning part. If you truly think we will never be able to stack sufficient depth and talent in the future to not have to win by schemes and tricks then BYU football is going to perpetually be one of the more frustrating hobbies most of us will ever have.