While partially compatible with Catholic social teachings, it was rejected by the Vatican, which objected to the mixing of church theology with Marxistideas such as class struggle.
Students were asked how China could make its state enterprises profitable again - in what some speculated was less a test of Marxist political correctness and more a plea for useful ideas.
Post-war America was an all too fertile ground for his radical ideas, it seems, as leftist intellectuals flailed about for a new language of opposition to replace Marxist dogma.