The US actually has some of the strongest protections in place for these situations. Companies were being hit with frivolous lawsuits in attempting to moderate content, while the "Wild West" approach was letting them off scot-free. This was making the internet far more offensive and obscene (and more importantly reducing the revenue of advertisers.) So bipartisan lawmakers under pressure from their corporate puppetmasters crafted the 1996 Communications Decency Act which holds that wesites not responsible for what their users post.
https://www.npr.org/2023/02/21/1157683233/supreme-court-google-twitter-section-230
There is quite a robust debate in this country on whether or not Section 230 of the 1996 Communications Decency Act should be abolished or amended.