Once, critics like Trilling, Sontag, and Kael commanded the attention of a large audience and were expected to shape and challenge a still roughly homogenous public opinion. Today, many critics struggle to find a unified culture to interpret and criticize and a public to address. As A.O. Scott insists, the critic’s role is “to disagree, to refuse to look at anything simply as what it is,” and yet in an age in which critics often are forced to set their sights on films like Avengers: Age of Ultron, it appears that the critic can be nothing other than “the vanguard of pointing out the obvious.”