"Since Leave won, though, something quite remarkable has happened. Immigration has risen to well above pre-referendum numbers, yet concern about immigration has plummeted."
Maybe because it is largely controlled and legal - and from the Commonwealth.
https://www.prospectmagazine.co.uk/politics/has-brexit-made-us-a-more-tolerant-nation-immigration-polling
🐦🔗: https://nitter.eu/DanielJHannan/status/1524848834148548618