And every one of those norcal players can get back into their local B and C divisions. But of course there aren't enough teams in B and C to have a healthy local program.
So until you have C in norcal at say 40 teams and B at 15 to 20 teams the depletion of the top divisions in your area have nothing at all to do with the conference.
The convention of course has meetings for all levels of softball not just the conference. In fact the conference has just one meeting while the other divisions meet almost every day.