In the great Los Angeles crime writer Jordan Harper’s aptly titled new novel, “A Violent Masterpiece,” there’s a funny little detour in which one of the protagonists has an awkward first date with a streaming television executive who brags that he doesn’t make shows, he makes “tiles.” The exec explains that “TV hasn’t been made to be watched for years” and that all their effort now goes into creating an alluring screen menu tile for people to click on — preferably featuring a recognizable...