Earlier quoted context omitted.
“Not all of them are bad” isn’t a very strong argument against the general heuristic.
I have one caveat: people whose immigration to the USA was conditioned on their employment in Silicon Valley. Aside from that, I think _every single person_ that works at Microsoft, Facebook, Google, Twitter, etc. (the uncivil technology corps) is morally bankrupt. Every last one of them is fundamentally compromised by their work.
What kind of people are you seeking out?