Users everywhere have had to put up with U.S law for a long time. The laws and norms of the USA are more or less "fully baked in". Try posting a nipple or copyrighted track, for example. If Facebook had come from a different place, all songs and body bits might be Ok but perhaps discussion of government would be banned. I can't tell if that would actually be a better facebook than the one we got.
I think you don't give American companies enough credit when it comes to appealing to various countries laws and opinions. It is disingenuous to say Europe or the rest of the world does not care about copyright when they have historically and increasingly laws that are as strict if not stricter than the US' when it comes to preventing copyright infringement. [1][2] Nipples do reflect American sensibilities although i…
Those laws are to some extent pushed through by the US in international treaties on behalf of american copyright holders.