You cannot isolate from everyone else to avoid criticism. People will
criticize, and people will
mock and make unflattering judgments about INFP's. That's just the way it is, and you cannot protect yourself from it indefinitely. It starts on the internet, and your avoidance of criticism will expand to everything else.
I think PerC is one of the rare places on the internet where you don't get bashed every five minutes for posting your own opinion, and is by far the most welcoming website I've ever been on, especially the INFP subforum. So if someone happens to criticize, I'm perfectly fine with that, and you should be too. Why us, of all subforums on this website, should have a section JUST for INFP's? Are we really THAT sensitive? Do you realize how that can be perceived? We'd come off as xenophobic - someone from the NT forums already mentioned we can be that way, because we're not very welcoming of strangers and people who aren't from our personality type. Do you really wanna give that impression and come off as unwelcoming?
I don't. I love all the other personality types, and I don't mind at all if they come post here provided they're respectful.