We are decades into this horrible experiment gone awry in much of western Europe. The second and third generations are integrating to a lesser extent than their parents in part due to rising numbers of their compatriots and their inherently anti-integration ideology. Much of the Islamic violence is carried out by second and third generations.
There are about 3 million Turks in Germany stemming from a Gastarbeiter (guest worker) program starting in the 50s and 60s, being "guest workers," the idea was they would return to Turkey, most never did and today still live in their own neighborhoods and enclaves largely separate from the rest of Germany.
Regarding this history and other problems, Angela Merkel herself said what everyone can see, https://www.google.com/search?q=merkel+multiculturalism+fail...
A native Swede bigot thinks “I hate all non-straight people.” and a normal Swede thinks “I really wish we could get rid of bigots like that dude. Too bad we can’t deport jerks.”
An immigrant thinks the same thing as the bigot and the same normal Swede thinks “We need to help these people, how do we take in more of them?”
Seems foolish to me. Being oppressed in their homeland doesn’t make them intrinsically “good” people.