The only people I heard telling us he dropped due to missing the camp were posters on here and other places speculating...reaching. Did someone from Rivals admit that? And what about the other services?
Its happened to others but you don't pay attention to them. There's also recruits that have gone up significantly after committing to us. It's called negative bias
Processing the information is the single most important trait for a great QB. Many of the greatest QBs having been the most talented( see Brady and Brees and Peyton after his injury. Even before the injury he wasn’t all that athletic
Edit: can’t forget about Joe Montana
Of course OL cycles through just like all positions in college. The proof is when all 3 RBs in a rotation come in and produce. Also, you can see it more in the NFL in terms of OL. Teams that produce in the run game no matter what RB comes in, even mediocre ones