Well it indicates an irrational fear so for some it would be appropriate. I am not anti Islam per se, just anti fundamentalists and zealots whatever team they support
At least we can identify Heinrich von Treitschke as the misuser of 'anti-Semitism', coined by Moritz Steinschneider to encompass all Semitic peoples (Arabs, Assyrians, Druze, Eritreans, Maltese. etc., etc.) and not only Jews.