If such a law would be made, US companies would be effectively required to isolate their US user base from the rest of the world. Things that can legally be sai

If such a law would be made, US companies would be effectively required to isolate their US user base from the rest of the world. Things that can legally be said in the US can easily be illegal in other countries that value free speech. EU countries tend to take a fimer stance on personal attacks, for example.