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It is necessary in a way... because otherwise you'll end up like some areas in the UK, France or Germany... invaded and occupied by a foreign culture that hates you. You can't have it both ways, you're just going to have to tolerate the bits you don't like, because overall you are better off. Really. The grass always looks greener on the other side... but it isn't. There is no great freedom here in the West anymore, it's a myth.
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