Democracy. The Liberals won't let that happen. See, in a democratic system a law cannot be passed without getting a nod from all parties. Which means that Left Liberals get good votebank from migrating Paki/Arab/Somali/Bangladeshi fundamentalist communities.
These days are long gone mate. It isn't that way anymore. In fact, the liberalism that they created has become a pain around their neck itself.
Europeans most of them are beginning to wake up to the dream that they're nobody in the new world without respecting others equally or better. But Jihad becomes the other extreme mate.
What do you think Vatican's message to India is? It is colonialism in the garb of "religious peace". Sorry to say this but this is the reality even if some members don't like it. In the end it is our own who have to do everything.
Simply because they have the right to do so in non-Islamic societies around the world where mostly democracy and freedom prevails. They should try doing that in China or former Soviet Union. Guess that's why there was no "expressive" attitude ever in these countries.
Refer to my first point.
Refer to my second point.