They don't have to find mods for all the smaller subs. The top like 200 subs is all they really need in the short term, probably even less. Those are the subs that make it to the front page constantly. The ones that have the most likes,comments. Those post are what everyone sees on r/popular which millions of people just use reddit to scroll through to see whats on the front page to see if anything interesting is going on. If they can get the top 200 subreddits reliably working that will mean more then the other like 6000 protesting