As his review of Robert De Niro's CIA story "The Good Shepherd" shows, the Pulitzer Prize winner simply knows more than other critics.
Most movie reviewers these days are sensitive English major types, while movies in recent decades have been in a quite masculine phase driven by the economic fact the males pay for most of the tickets. So, a comprehensive education in the poetry of Wordsworth and Browning doesn't actually teach you much you need to know to review adequately the typical contemporary movie.
In contrast, Hunter's hyper-masculine intelligence (he is, for example, a world class gun nut -- here's my review of his book American Gunfight about the shootout in which Puerto Rican nationalist terrorists almost murdered Pres. Truman) is much better attuned to the subject matter of current films.