I've seen some crap from the HO (EU nationals apply for the PR cards which you need if you want to become a British citizen as a first step) but this is truly something...
No worries, the UK will still attract the "brightest and best" with such a good immigration admin system ;)
https://www.theguardian.com/uk-news/2017/aug/04/us-surgeon-may-be-forced-to-quit-uk-because-of-visa-nightmare