The 1st generation… the actual migrants where never integrated… as the views of the time (by everyone) where that this was not needed. Since then the issues first festered and grew… once it became politically divisive the left and right parties started to both try and solve it with policy that can almost be subscribes as a pendulum swinging.

One side blaming everything on the class inequality and refusing to acknowledge that there might be cultural/religious issues at play next to the class issues. While the right refuses to acknowledge the class issues, only thumping on the cultural/religious issues.