He leaves a question that’s needing to be begged. If he does believe that there is no “God”, but just a very powerful and hateful angelic being that filled a power vacuum, who is to say that the angelic being that filled the vacuum wasn’t good?
Of course, he actually (as I understand it) believes there's no God and he wishes to kill belief, not the being, but you make a good point. I love it when atheists start talking about good and evil, it's always good for a chuckle.