First the come in and act all peaceful. Then as the population grows, they yell "Islamiphobia". Then when they become the majority, they have the loudspeakers yell out the call to prayer 5 times a day. Then eventually Shira law. No assimilation. Virtually all other groups of people can and do assimilate, including Indians from India, Asians, even Africans below the Sahara (even more than home grown). Hispanics can assimilate. Muslims never do no mater where they move in the West. China considers Islam a mental illness. 67 Muslim countries, many very rich for Muslim migrants to move to, but they want to move to the west. If a young Muslim wants to assimilate, they can be "honor" killed by their parents. If they convert to Christianity, they can be killed.