It’s weird that you think this would scare me. Like do you not get that? That’s the central conceit here - we fundamentally disagree on the idea “Muslims are scary”
Besides, the system worked perfectly fine for norwegians
Back in topic, in your own words, your system is a failure to what I see as basic human rights, so no, it didn’t work perfectly.
If your culture cannot survive immigrants, your culture has no value. That’s what a “war of ideas” is. That’s why Iran and North Korea don’t allow immigrants.
For clarity, I have said and will say again this exact same thing to every American who disagrees too. If some aspect of “being American” cannot survive immigration, then it doesn’t deserve to exist.