Is it wrong to say that when they are?
I don't know everything. I only know my specific narrow field. But I do know that everybody I know who is actually unpopular - that is to say, not somebody who lacks friends due to lack of social skills, but somebody who people actively dislike in the way that nerds seem to think happens - is counterhostile in a way that turns people off, and that that usually is the reason why they are disliked.
I'm saying that anyone, regardless of age or intelligence, should try to avoid generalizing from their almost certainly narrow experience.
But everybody does that. Paul Graham does that in his essays. The great writers of fiction wrote from their own experience. It's why they were good. Most of them also generalized: look at Steinbeck and the way he turns entire groups of people into black-and-white heroes and villains.
I'm not saying this essay is as good as Why Nerds Are Unpopular. PG put a lot of time and effort into that essay; this piece was dashed out. But I'll also point out that among the people I've shown this to that aren't the sort of people who use HN, there's a much more widespread agreement that what I'm talking about makes sense, and that I've nailed an element of nerd/programmer that's given the whole subset of people a bad name. That doesn't make me instantly correct about it - I certainly overgeneralize - but to say that generalization is a bad thing because it's generalization ignores the fact that you almost certainly like and agree with and think in generalities. Just because this one is not one you agree with doesn't make generalities in writing wholly bad.
Also, the tone of your comment has certain elements of the martyr mentality that you have criticized in your essay and in these comments.
Martyr? I'm saying that I have a right to write what I think is right, and that a lot of this criticism that's aimed at me rather than at this piece simply because this piece is a poor one offends me. I'm not defending its being on Hacker News. I wish you all would flag it and remove it. It's not worthy of this site. Criticizing that is fine. But the criticism against me for writing this piece in the first place offends me, and I don't think I'm being an asshole martyr for saying that.