"I also don’t like that ycombinator is run by, for and with people who I don’t share values with."

I think if you are careful to avoid clicking on YC startup ads or applying to YC, and you make sure to write a lot of comments calling for regulatory crackdown on AI†, then you can be fairly certain that you, as an individual user, are not contributing to YC's bottom line.

† I contributed to the campaign of Alex Bores, running for Congress in NY-12 https://www.lesswrong.com/posts/TbsdA7wG9TvMQYMZj/consider-d...