Muslim women are supposed to cover themselves, not wear bikinis.
Catholics are supposed to go to church every Sunday.
Taoists are supposed to not care about politics.
Buddhists are supposed to meditate every day.
And Atheists shouldn't shout "Jesus Christ!" when they hit their thumb with a hammer, or "God hates me" when things go wrong.
All these folks will obey their rules when pigs fly, which, y'know, they're not supposed to do.
There are as many different kinds of Muslim as there are different kinds of Christian. I worked with a gorgeous Egyptian woman for years and the other women were, every day, complimenting her on her fabrics. Her clothes were way better looking than any other gal, though I personally preferred it when the western women wore short skirts, which the Egyptian gal never did. But she had a real sense of style, in an Arabic way, and was no doubt quite vain. She probably spent an hour getting ready for work every day. And she never forced her opinions or beliefs on anyone, which is more than I can say about some of the Christians I work with! But there are many types of both, and people should be seen for who they themselves really are, not for the assumptions people have about their race or culture.