except for (preferably white) men, apparently: "ah right, yes, I forgot about the poor oppressed men. I keep doing that, why can’t I ever remember?"
Death threats from random anonymous people on the internet don't mean much more than that you have really pissed someone off. They're not to be taken literally.
Re pg's footnote: The discrimination example he brings up is based on real-world constraints, not some arbitrary prejudice. There is a place for enforced equality quotas, no child/woman/minority left behind and other social safety nets. Startups is not such a place.