No European country (UK excepted) has an “immigrant culture.” In recent decades, some European countries have accepted large numbers of immigrants. But as far as I can tell, they’ve even relegated to an economically disadvantaged underclass in every one of those countries. They’re not buying Apple products. For example, average income for Turks in Germany (a group that started immigrating in the 1970s) is estimated to be 2,000 euros per month: https://www.hurriyetdailynews.com/193000-turks-come-back-fro.... Average income for Germans as a whole is almost 4,000 euros per month.

Meanwhile in America, median household income for Vietnamese Americans—who also started immigrating in the 1970s, as refugees—matched the national average sometime in the 1990s.