I think this is the result of the new 105 rule for schools that do revenue sharing. The 85 scholly limit was lifted to 105 next year. Meanwhile total team size is cut down from like 128 players to 105, sacrificing walk-ons.
We'll see a concentration of the best players to rich schools and their walk-ons trickle down non-rev sharing schools. As we see with Mikey, Michigan has the resources to keep more scholarship QBs than before, choking out the less affluent schools. With $22MM to be distributed, the kids will likely prefer taking the money over a chance to play at a poorer school.