There are two issues here. One is the "beautiful people" issue, where the people are playing a social game, and if they come to hang out with normal people, they are doing it for some way that it's going to advance them in their manipulative social game. Why should any of the non-"beautiful people" want anything to do with that? The only way we should is if we're dumb enough to want to play their game, because we haven't figured out that it's a game that we're going to lose at. Your instincts to run away are spot on.

But the other issue is, we've got our own communities. Maybe we're part of a community where we care about software, for example. Well, in that community, sure, be careful of people who are trying to use you. But if someone with good physical looks comes around, judge them by their software knowledge (or actual desire to learn); don't judge them (positively or negatively) by their looks.