HN has never been exclusively a site about tech: https://news.ycombinator.com/newsguidelines.html. There are inevitably some stories with political overlap, though we try to prevent them from dominating the frontpage. I've gone into this in detail in other comments in this thread, with links to past explanations:

https://news.ycombinator.com/item?id=45267159

https://news.ycombinator.com/item?id=45269414