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I'm not sure that they ever really did that much. If at all.
A significant number of Europeans really did. The U.K. used to have a reputation for good sense in some areas (and nutty attitudes in others). Just to pick one example, there's long been a significant number of French people living in the U.K. and enjoying career opportunities that were harder to achieve back home.
On a bigger scale, Britain going blatantly senile has left some EU politicians who used to ally with (the saner) UK politicos more exposed.
Don't see this being reported in Germany, I guess nobody in Europe cares about this crap anymore.