Islamophobia is a virulent issue, particulary in Europe. There are a number of reasons behind this (most prevalently Continental Europe's lack of a history of immigration and integration, which has caused struggles throughout the Continent since large scale immigration from non-European countries began in the late 60s and 70s), but that doesn't excuse it.

I struggle to see why this merits a link. That said, there's a parallel I love to draw when people make this particular argument: is what they're saying about Muslims all that different from what 19th century Americans said about Italian and Irish immigrants and their "allegiance to the Pope above country"? Xenophobia is nothing new.