I don't live in they Bay area, but from what I keep seeing on HN: A strong hostility to those who say things that support a particular policy that Trump supports. An extreme hostility to those who admit voting for him.

I'm pretty sure I have seen comments on HN which pretty strongly hint that the commenters feel Trump supporters should have no place in SV tech companies, because they are, by virtue of supporting him, bigots. These were not greyed out comments, either.

Oh, and comments like these:

https://news.ycombinator.com/item?id=16384641

(Really hard to tell if it is just bait, though).