This was perhaps because of oppositions between his formalism (literature) formalist style and the advocates of proletarian literature, who misjudged him as a petty bourgeois.
Even more unwelcome to the party was the persistence among writers of what was deplored as petty bourgeois idealism, humanitarianism, and an insistence on freedom to choose subject matter.
Here we have the distilled essence of the petty bourgeois intellectual who, incapable of swimming against the tide, deserts the revolutionary struggle and retreats behind a wall of pessimism.
Behind the hordes of enraged petty bourgeois, the "sifrinos" (upper and middle class youth) and the lumpenproletarian riffraff, the oligarchy is pulling the strings.