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It's already arrived to Europe anyway. There is one mainstream view regarding (1) how to solve the immigration crisis, (2) whether or not different cultures and religions are equal, (3) whether or not a nation has the right to make a decision about its future.

If you don't agree about any of these, you're quickly denounced as alt-right, Nazi etc. In extreme cases, you can lose a job. It's not happening frequently though as people are not stupid and learned to keep a low profile. You can discuss things in a more open way with your friends, but you better avoid any online discussions if you can be identified, no matter how reasonable your argument is.