> HN is an American website hosted on American servers catering to Americans

That's not accurate. HN is an American website hosted on American servers catering to everybody. The only prerequisite is intellectual curiosity: https://news.ycombinator.com/newsguidelines.html

Intellectual curiosity exists everywhere, HN's userbase is 50% outside the US, and at least 90% outside of Silicon Valley. That's important for people to understand.