Nelson Ascher has posited that the Left's flirtation with Islamist theocracy (which has by now reached the horizontal stages) is motivated by a desire for revenge. (He's a busy man so can't necessarily be expected to know that not all the Left have deserted the Enlightenment.)
Not so: there's a perfectly good Marxist reason for it all. When the global jihad is victorious, all non-Muslims will have to pay the poll tax or jizya. Therefore - since in reductionist Marxism everything is reducible to economic advantage - everyone will convert to escape the tax. No more taxes - the State will wither away, thus achieving the ultimate Marxist goal of stateless utopia.
Well, it's no more bizarre than believing that Saddam was a secularist.
(Hat tip: Belmont Club.)