The faces--meh, but then again hes autistic or whatever.
His memory and command of proportion and even gesture (where there are people in cars and stuff) --mindblowing
What suprises me is that his style is pretty conventional. his street scenes look a lot like these Parisian street scene artists. His stuff doesn't have that Naive charm for some reason. Maybe hes that good that he transcended that but IMO it looks like he studied somewhere, which in my book, is a damn shame for a unique talent. I would like to see his childhood drawings.