[...]
.... I only object when any one particular group—and it could just as well be Southern, or Roman Catholic, or Marxist, or vegetarian—gets a strangle hold on American criticism and squeezes out anybody who doesn’t conform to its own standards. It’s fine to write about specifically Jewish problems, and it often makes valid and exciting literature—but the people who have other messages to convey, other styles and other backgrounds should also be given a chance. Today, because of the predominance of the Jewish Mafia, they’re not being given that opportunity. This is something everyone in the literary world knows but never writers about.
Playboy:Aren’t you opening yourself up to a charge of anti-Semitism?
Capote:No, because anti-Semitism has nothing to do with it. As I’ve already indicated, I would be just as opposed to a clique of white Anglo-Saxon Protestant authors and critics exercising exclusive control over American letters and excluding talented Jewish writers. I’m against ghettoization from any source. And let me point out that this Jewish Mafia is based more on a state of mind than on race; gentile writers such as Dwight MacDonald who toe the line are made honorary members, while gifted Jewish writers are read out of the club for nonconformity. Irwin Shaw, for example, an excellent writer of Jewish origin, has been damaged by the Jewish Mafia, which has studiously ignored him, despite the fact that his early short stories are superior to any of the contemporary idols. Almost as many Jewish writers as gentiles have suffered at their hands. The ax falls, ecumenically, on the head of anybody, Jew or gentile, who doesn’t share this group’s parochial preoccupations. The regrettable aspect of all this is that there is so much room for diversity, plenty of space for everybody, if the Jewish Mafia could only accept that other people exist.
https://scrapsfromtheloft.com/books/truman-capote-playboy-interview/https://archive.is/sZShG 
