Well, he did try to go into politics/authority. He failed, badly. Still images give him a wholly different appearance than when he's actually shown trying to talk or whatever. He's far too clumsy as a public speaker and he has absolutely no charisma. He's not very good at anything, really. Or so it seems.
As for looks, replacing a jawline with a beard like that... that's not clean-cut. That's just so very sad.
On the insanity question, he does come off as quite... off. His narcissistic personality disorder becomes more and more clear every time he speaks (and better yet, gets interrupted or asked something that doesn't quite fit in with his insane version of the world) and there's quite a few other symptoms of mental disorders showing. None of them takes away his responsibility for his actions, yet.