You don't choose your heart surgeon because he's entertaining; you don't decide to go to a neurosurgeon because he makes you laugh. When it comes to people who you need to be competent, you don't care if they are nerds or boring or seem un-forthcoming about themselves.
But when it comes to a President, who carries the nuclear codes, oh, no special qualities really matter, just "authenticity." Someone who will "shake things up."
Gary Trudeau got to the problem today: