In analyzing political pieces (especially one so concerned with The Enlightenment), it's important to go deeper than content. What moved someone to put so much effort into this thought specifically? Nietzsche, critic of enlightenment, would ask: "which kind of will-to-power is expressed here?"

Steven Pinker is popular among accomplished people, and there's no conspiracy about this: rational optimism just gets that crowd going. Maybe it's because they don't have much better to worry about!

Reading this kind of writing is like eating a bag of candy. I eat one saccharine piece of "{X} good thing has grown by {Y}%", and then I grasp for the next morsel before I've finished chewing the first.