Yes... I neglected to consider the gambling aspects of it (naïve and in the Midwest, I am). You are right, that this could be VERY BIG.
But I doubt the NFL will go off on the tangential paths you suggested. The NFL wlll likely put out some report in a few weeks, providing some conclusions of their investigation, ding a draft pick or two, maybe a fine, then move everything right along.
He doesn’t have to take the fall. This is not a criminal investigation where he is under the pains and penalties of perjury. He can deny letting the air out of the balls all he wants. The video “allegedly” shows him going into a room. Yeah? So?