Gamebanana i understand, but gamejolt? I mean, i know that they are many bad and horrible FNAF clones but it's also the Home of some of the best índie games that i've played, and tbh i don't see that many FNAF fan games besides a dumb sonic one and the continuation of that series. And alyso gamebanana is getting a moderator from what i've heard.
And also about SRB2 being on gamejolt, i saw a page where it contains SRB2 and i don't think that the person who posted got even permission to do soo, What i've noticed is that he does that since 2.1. and updates the page whenever theres a new update when ppl could just go to srb2.org and download it from there. One place to have srb2 makes it easier to get and thats why.