"This door has NOT been closed. Brexit has not yet been achieved."
This is what is quite likely
If we won't accept immigrants, why should anyone else?
"I suppose we import all our plumbers, electricians, car mechanics, carpenters."
Is this a rhetorical question?
We always have - there are plenty of English workers living in Ireland at present
Skilled workers have always emigrated 0- as far as Australia, to find work or get higher pay
Jim Carroll