It's the same in the Netherlands (needing a minimum language level), I suspect it's 25+ years of right-leaning, anti-migration governments; as a compromise they

It's the same in the Netherlands (needing a minimum language level), I suspect it's 25+ years of right-leaning, anti-migration governments; as a compromise they said "foreigners can stay as long as they integrate into our society", and language is a big factor there. Or that is the claim anyway. This doesn't apply to higher end jobs though, which are almost always international to begin with.