Anecdotally I've seen some pretty good articles on lesswrong, and some not so good ones. But the idea "Hey, want to be more rational? Join our community" gives

Anecdotally I've seen some pretty good articles on lesswrong, and some not so good ones. But the idea "Hey, want to be more rational? Join our community" gives me the willies. If you want to be more rational, then joining a groupthink-ish community is the last thing you should want to do.