He just so happened to be one of the biggest, if not the biggest internet influencer on Twitter, Facebook, Snapchat, and Instagram (All owned by Facebook). The fact that he has been banned is a massive deal. His political campaign was not primarily, but at least to a somewhat large degree run on social media such as Twitter. Of course, as you mentioned, he must support his own supporters. But that doesn't mean he should encourage violent terrorist acts against his own government and country. This whole thing seems twisted to me. But then again, I'm just some dude from Denmark, so I might've interpreted the situation different from how it is because of the way media portrays it.