Apparently they can ... the UK is a strong example.
Except that in the UK, the Moslems are taking outrageous advantage of the Liberal mindset to advance the intrusion of their own culture. It won’t be much longer before Moslem law is dominant, and then all those precious protected groups and actions will suddenly be illegal.
Fundamental Islam is incompatible with the majority of advanced civilization, but especially with post-morality liberalism.