Lauren Oyler is viral and vicious. A critic with a reputation for pulling no punches, she is known for delivering refreshingly sane judgments of overhyped, commercially successful books. She is not alone in her ruthlessness — there are a number of critics who are at least equally ferocious about deflating promotional balloons, among them Merve Emre and Christian Lorentzen — but she is the hater who makes the greatest waves on the internet.