Even if no law has changed the fear of a hard Brexit might lead people to not risk their family to move to the UK and then been thrown out. And yes, there's a

Even if no law has changed the fear of a hard Brexit might lead people to not risk their family to move to the UK and then been thrown out. And yes, there's a possibility that a usable agreement comes out at some point in time, but by then companies might have decided not to wait, but move to the continent. Thus giving this a longer-term impact.