Though I can't find a reference right now, I am pretty sure Pinker repeatedly and emphatically disavows any claim that progress will inevitably continue. There

Though I can't find a reference right now, I am pretty sure Pinker repeatedly and emphatically disavows any claim that progress will inevitably continue. There is no doubt we have to work for it. Pinker's work is a rebuttal to people who want to paint the world as hopelessly bad right now.