We go to the movies to watch people get hurt. There is no shame in this; human beings have a built-in urge to witness pain. Whether it’s emotional or physical, we line up at the theater to see our collective trauma made big and loud. From Buster Keaton breaking his neck on Sherlock, Jr., to Johnny Knoxville breaking his neck on Jackass Forever, cinema is, down to its bones, an art of violence. Dev Patel...