Transfer portal may have changed this a bit but is my old guy opinion that D-I guys go D-I. They don't miss much and if they do its usually the other way, signing a player who isn't as good as they thought.
With the exception of more schools being added to the recruting (WHICH IS STILL AND ALWAYS HAS BEEN ILLEGAL) accusation list. I predict it will make little difference, at least initially.
Exactly. Most private school dads have said to their kids, "If you're going to be lazy you can do that for free and the bus will pick you up and bring you home."
Remember the "Tournament of Champions" that our government forced on the IHSAA. My memory could be failing me but I remember an elected official saying "The republic is saved." when they passed something nobody wanted.