From what I can tell, he exhausted all the good several years ago and has been running on those fumes.
Discussion
From where I sit m, he is one of the most important men of the last hundred years.
I very much subscribe to the Great Man Theory.
Without great men, advancements are not made. And great men come with great complications, hypocrisy, flaws, etc.
It is the way the cookie crumbles.