I don't understand the downvotes here. I work in a London startup where about 90% or our engineers are not British. They tell me that they are already seeing a

I don't understand the downvotes here. I work in a London startup where about 90% or our engineers are not British. They tell me that they are already seeing adverts saying 'move to berlin/dublin' on their facebook feed. There is a real danger that as well as not being able to recruit people, the people that are already here will simply leave.