That is plain dumb and an oft repeated wise guy remark on the internet. Pick up a dictionary or thesaurus for an explanation and look up the phrase anti-Semitic. It means anti_Jewish because Jews have been a part of Western and European civilization for centuries while Arabs have not. Europe has had to repulse Arab Muslim invasions a few times. But these days they allow the Muslim invasion by immigration, giving them outlandish social benefits and then they knock out a million kids
All European Life Died In Auschwitz
Maybe the British will get what they deserve when Islam inevitability rules there.