why?
You could carry guns, explosives, and pretty much ANY weapon without being noticed.
You could also carry pretty much ANY illegal items without being noticed.
You can't identify them either. Making any action they do, if they get away, unable to identify who they are.
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You can't wear a ski mask to a bank, why should you be able to wear something that covers your entire body?
Oh but shops, banks, and airports are private property.
Meaning: someone owns it outside of the government, even then the government can consider its own property private.
Only public property are roads, parks, and jungles/deserts.
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This isn't even muslims discrimination, its obviously for security reasons and its obviously a good thing.
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Like i said before, private property. If someone owns the property they CAN BY LAW ask you to leave or take off your burqa.