"This is a joke, right?"
No joke...
http://news.scotsman.com/uk.cfm?id=1951292005
http://www.thesun.co.uk/article/0,,2-2005430136,,00.html
In fact, that Muslim dude will probably put a jihad on you for even thinking it was a joke.
In all fairness, it isn't just Muslims who go in for this kind of thing.
Remember how Proctor and Gamble had to threaten lawsuits to quash the protestant rumor that the 13 stars (hmm . . .in an American company's symbol. . .13 stars, now what could that be? Nope, wrong, they were (drumroll please)) were Satanic?
I know someone (a Christian) who won't buy Toyotas because the T made of two ovals in an oval looks like some doohicky found in the Egyptian Book of the Dead. (I kid you not.)