I’ve said before I’m immigrant so I have no trauma or complex towards this term, and since I’m not British expat does not apply to me in any way or form… 
My point of mentioning Ukraine, Belarus, Russia was towards the fact that this form of wage reduction has nothing to do with EU, you will see how Pakistan and India drivers on special work permit conditions will start to flood UK market after Brexit is completed (That’s if they will complete it ever… )
The same what is happening in Canada will happen in UK after Brexit… 
Temple and Mosque construction business will boom however