I agree with you 100% and have to say that the replies on this particular thread are some of the most toxic I’ve ever read here on HN, and completely indicative of both what you describe as well as my own observations from living here in the Bay for pretty much my entire life.
I live in the South Bay, don’t work in tech, make well under $100k a year, live comfortably and have had no issues dating. I’m a local, white and over six feet tall, so that probably helps, but I’m certainly nothing special looks wise.