>Muslims represent a tiny percentage of the U.S. population. I have faith that they will fail in the marketplace of ideas.<
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They’re increasing in numbers exponentially — they may fail in the marketplace of ideas (they have always failed in the marketplace of ideas but their faith is spread by the sword and not by the free market, wake up!) but we are giving them privileges we don’t give other religions. Their philosophy should not be constitutionally protected because, by doing so, we remove the protection of other religions that are beneficial to society. Islam is not.
Again, the same applies to Marxists. They aren't "beneficial" either and there numbers are much, much greater. If you are consistent, you'll ban them too. BTW, how do you intend to punish people who want to practice Islam? Jail? Midnight raids on worshipers? Burning Korans?