I think he's misunderstood. I can see how he comes across as arrogant, but I think this is just a result of having argued the same things for 30 years and having to rehash them over and over again when people offer him the same rebuttals.
He clearly states in his books that he doesn't believe science solves everything, and he is delighted by the fact that there is still an immeasurable amount to understand. But I think he believes that we are slowly, bit by bit, beginning to make sense of the universe because of scientific breakthroughs. And the great thing about them is that they are allowed to prove their peers wrong and for this to be GOOD.
I'm sure he'd enjoy the smashing view too.