Paul Graham is actively discouraging people from working for Palantir if it is building technology that helps the government violate the U.S. constitution:

https://x.com/paulg/status/1913338841068404903

I doubt they need to adjust the algorithim though to get rid of politics heavy posts specifically.

I’m pretty sure anything that gets more than twice as many comments than upvotes gets a huge downrank penalty, such that they would almost never hit the front page without moderator intervention.

Yes, the admins have apparently manually added this post back to the /news feed, and it's currently ranked #59.