Unkempt and maladjusted hacker types are still social pariahs.Yes, often they (we? ¹) are.
But that doesn't mean it's OK to accuse Wales personally of something that is not only unfounded, but completely impossible to defend oneself against.
Do you want to make that argument? Sure - write a blog post making your case, show examples of people being discriminated against and submit it to HN.
But using people like that to promote your own arguments is not only detestable, as it makes you lose the respect of people who may agree with you otherwise. You certainly lost mine.
¹ I'm certainly a bearded, introvert and definitively unphotogenic geek, although I can't complain about being a pariah, except for the fact that my interests rarely aligned with others'.