Europe borders the Islamic world, which had a population boom until very recently. (Nowadays many Islamic countries hover around 2 kids per woman.) So the immig

Europe borders the Islamic world, which had a population boom until very recently. (Nowadays many Islamic countries hover around 2 kids per woman.) So the immigrants are naturally coming from the Islamic world. The resulting clash of values is tremendous, because Islam and (post-)modern liberalism diverge very strongly on many societal and political issues. Hispanic immigrants into the US are nowhere near as "culturally foreign". They speak a different language, but the cultural distance between them and other Americans is much smaller.