The guy in the YT clip needs to take a chill pill.
Maybe it's a sort of Karma for the UK after the ills we inflicted on other countries over the centuries?
What sort of UK is the YT guy hoping for?
We can't have it all ways in this country. Over the decades we have, when it's suited us, invited people from other countries to move here, to work, to help build the country. Sometimes we don't exactly treat them very well e.g. Windrush.
It seems, putting aside the issue if illegal migration, we want our cake and eat it in the UK. We want migrants when we need them, then we want them to feck off when it's perceived we don't need them?