What matters is not so much that Žižek is endorsing a demythologized, disenchanted Christianity without transcendence, as that he is offering in the end (despite what he sometimes claims) a heterodox version of Christian belief.
—John Milbank
To put it even more bluntly, my claim is that it is Milbank who is effectively guilty of heterodoxy, ultimately of a regression to paganism: in my atheism, I am more Christian than Milbank.
—Slavoj Žižek
Žižek has long been interested in the emancipatory potential offered by Christian theology. And Milbank, seeing global capitalism as the new century's greatest ethical challenge, has pushed his own ontology in more political and materialist directions. Their debate in The Monstrosity of Christ concerns nothing less than the future of religion, secularity, and political hope in light of a monsterful event—God becoming human. For the first time since Žižek's turn toward theology, we have a true debate between an atheist and a theologian about the very meaning of theology, Christ, the Church, the Holy Ghost, universality, and the foundations of logic. The result goes far beyond the popularized atheist/theist point/counterpoint of recent books by Christopher Hitchens, Richard Dawkins, and others.
Žižek begins, and Milbank answers, countering dialectics with "paradox." The debate centers on the nature of and relation between paradox and parallax, between analogy and dialectics, between transcendent glory and liberation.