re: Les Miles admits he controls the offense:

you have to listen more carefully. He said he was "responsible for the game planning".

You interpreted that to mean he called the plays, when his answer more likely meant something like "I am the head coach, so I am responsible for the overall play of the offense, as well as the offensive game planning and offensive play calling, and so I work with the delegated OC to plan the plays and call the plays both before the game and during the game"

He did not admit what you think he admitted.