There are several proposals that have what I'll call "bookmark followers". These are people who follow a proposal but never actually participate in the definition process. I assume that's because they want to keep track of the proposal but just don't have anything to offer. The problem with that is they make a site look more popular than it actually is. So for example there's at least one proposal with over 100 followers but only 80 example questions.
I think we could fix this by separating "bookmark followers" from "participating followers". Everything would work as it does right now except that followers would be people who both bookmark the site and submit questions, vote, or participate in discussion. I think that would give a better idea of whether or not a site will have active participants. It's kind of like a commitment score for the definition phase. 20 people who are participating in definition are more valuable than 40 people who are maybe kinda interested.