But not everyone is the same, in this particular case: the president of a sovereign nation is held to different rules. As the president it's in the interest of

But not everyone is the same, in this particular case: the president of a sovereign nation is held to different rules. As the president it's in the interest of the people he serves (and as an American company FB operates at the pleasure of those same people) that he is allowed to communicate with them through whatever means are available. Sure you want no violent messages to spread but what if he declared war on another country, should he be banned from FB if he ever posted about it? It's about as violent as it can get.