Pontius
I was in a bar last year north of ABZ and the local farmers were waxing lyrical as they'd picked up a Polish Vet who was working with the long established local vets who are coming up to retirement - otherwise they were going to be stuffed. Similarly a number of Highland schools only stay open due to E European kids whose paernts are working locally
If you look at any map of immigrants you see great clusters all over E Anglia picking crops the Brits won't