Our task is thus to remain faithful to this eternal Idea of communism: to the egalitarian spirit kept alive over thousands of years in revolts and utopian dreams, in radical movements from Spartacus to Thomas Müntzer, including within the great religions (Buddhism versus Hinduism, Daoism or Legalism versus Confucianism, etc.).
As John Clark points out to me (HT to him), it should without doubt be Daoism versus Legalism or Confucianism—but never mind. Then Žižek goes and slightly spoils it:
The problem is how to avoid the choice between radical social uprisings which end in defeat, unable to stabilize themselves in a new order, and the retreat into an ideal displaced to a domain outside social reality (for Buddhism we are all equal—in nirvana). It is here that the originality of Western thought becomes clear...
Right? I mean, no, we're not all equal “only” in nirvana, within Buddhist praxis. For a kickoff, we all have unconditioned karma: we're not totally stuck in our caste or class. (This was the whole point of the social origin of Buddhism.) And nirvana and samsara aren't separate. I see no inherent obstacle in Buddhism to adhering to the egalitarian spirit in this world.
Never mind. Žižek comes along quite far here.