I haven't read the Stephen Pinker book, but it sounds similar to one of my favourite books "Factfulness: Ten Reasons We're Wrong About the World--and Why Things

I haven't read the Stephen Pinker book, but it sounds similar to one of my favourite books "Factfulness: Ten Reasons We're Wrong About the World--and Why Things Are Better Than You Think" which sounds like it covers similar topics. As douglaswlance says, the world is getting better faster than ever!