Probably correct. KF spends time when given it to complain about the blocking rules as you pointed out. I get what he is saying, in that the defense can just run to the ball without worry of being blocked/chopped. But at some point, it becomes obvious that a lot of the coaches don't agree with you and like the rules the way they are. So either coach to the way the rules are being enforced or move on. The o-line is also given a lot more leeway now on being downfield when the pass is thrown. This makes it very hard to defend the RPO stuff.
Agree that you can't really count on development at skill position players. Good wideouts and backs want to get on the field right away, and want to touch the ball. I like what Iowa has been doing with QB recruiting, with the recent players/commits at QB all being able to run (Labas, Laniez, Reisner, the 2024 commit). You just can't have QB's anymore who are zero threat to move. But man, that change-over is years in the making.