Taking a wild guess, b/c he cares for us too. He seems to genuinely believe that he can help, by offering his voice of sanity into this hellscape world that we find ourselves in now, aka he did not just show up for his "job" but reported for duty at his station in this war against disinformation. And he is right - I find it extremely comforting, and I doubt that I am anywhere close to being alone in that:-).