Pluralism vs. Multiculturalism
It's all about tolerance. From Perry de Havilland:
We do not need Muslims to approve of alcohol or women in short skirts or figurative art or bells or pork or pornography or homosexuality or (particularly) apostasy. We have no right to demand that at all and obviously not all Anglicans approve of some of those things, so why require that Muslims must? No, what we do have the right to demand (and that is not too strong a word) is that they tolerate those things, which is to say they will not countenance the use of force to oppose those things even though they disapprove of them. In fact it is not just Muslims from whom we must demand such tolerance.