Funny how it's just become the first european city to top the economist liveability index.
There are many valid criticisms of these kind of surveys, but crime, which is the hook that the anti-migrant posters like to use, is one of the criteria - so the idea that "It's getting bad there" is the one that needs rapid rebuttal.
They're already here. If you step back you can see how they've shifted discussion in a lot of threads with young or barely active accounts.