Yes sorry, the article and paper make it clear it's referring to the US. I usually add "in the US" myself to such HN titles, but I think HN doesn't want us to

Yes sorry, the article and paper make it clear it's referring to the US. I usually add "in the US" myself to such HN titles, but I think HN doesn't want us to editorialize like that, even when it removes ambiguity. So next time I'll try putting it in the title and the first post body.