I'm not American, but even I heard about Trump tweeting like a maniac. Here in Europe, though, the media understand that politicians use social media to communicate with their supporters, and nothing else. So, traditional media usually ignores them (unless they say something clickbaity), and focuses what was said outside the social media. Perhaps the same could be applied in the US. Especially if Trump is indeed as narcissistic as he's portrayed. When he realizes people don't listen to him, he may change his methods of communication.