Well, I'm not an expert on European law, so I can only speak for my own country of Norway, who do indeed seem to have stronger legal support for free speech com

Well, I'm not an expert on European law, so I can only speak for my own country of Norway, who do indeed seem to have stronger legal support for free speech compared to the USA in this narrow instance, since our law also encompasses private organizations and companies. Well, at least in theory, since enforcement is of course another topic entirely. But then Norway does not have monopolistic communications companies like Facebook domestically. On the other hand Norwegian law is still applicable to Facebook so long as they serve Norwegians. This means that if someone with enough resources feel that his toes have been stepped on, then you can expect a law suit that Facebook may very well lose. Moreover strong organizations might take class action if they feel their customer or member base is being treated unfairly, especially if they think Facebook is somehow skewing Norwegian elections in their disfavour. Again, due to our strong law on freedom of speech (Norwegian Constitution § 100), Facebook might very well lose such a law suit if it were to happen.