If European states have problem with population growth (which immigration basically is) then problem is in their system, not immigrants. That's why we should answer following questions:
1. If they are 'stealing your jobs', don't you think you are not qualified, incompetent, unskilled for it so you didn't get it in the free market capitalism?
2. Do you live in free democratic country if you ban free speech, other religion, different communities?
3. They say everyone is equal in the eyes of law, so why does it matter if crime is perpetrated by native or immigrant citizen. Shouldn't they both have equal trial and sentence?
4. If you think freedom of speech, democracy and freedom overall is good - but only for you, isn't that totalitarian ultra-tribalist extreme right nationalism since you don't allow it to other humans and have official stance to treat them differently and secondarily?
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If a game is around long enough, people will find the most efficient way to play it and start playing it like robots