We only have one penal code in the United States, and it applies in every single state, every city, no matter who is there. This is part of the fear mongering, that has gripped the United States, the notion that we need to pass a law forbidding the institution of a foreign Law in the United States when it is forbidden by the constitutions is yet another example of targeting Muslim communities because they are seen as different, or exceptional in other ways.
I met many Christians leaving the Middle East, hoping to come to Australia feeling they would leave behind a society where they were inferiors in their native lands and they are disturbed about the rise of more separate radical Islam in Australia, not necessarily the main stream but there is a voice.