HN hosts plenty of political comments and threads. We just ask that it (a) not be the primary thing people use the site for, and (b) that discussion stay respectful and within the site guidelines.

https://hn.algolia.com/?dateRange=all&page=0&prefix=false&so...

https://hn.algolia.com/?sort=byDate&dateRange=all&type=comme...

https://news.ycombinator.com/newsguidelines.html