Earlier quoted context omitted.
Great Britain is now much more desperate. It needs to compete for market share and access to markets like a 3rd world country but without the associated cheap labour so high tech is one of the few anchors where Britain might have USP. But as you say with ARM that ship has sailed with the previous sale to SoftBank. The only chance to salvage some of the know how (not the IP) would be if these specialists could find si…
To add to this comment(might be biased as I live and work in the UK): salaries here are just not on the USA level, while costs of items are the same, if not higher(check Apple products price difference on the official website, clothing etc). For many of high demand engineers the choice is London/Manchester or move to the USA
I might be misremembering and exaggerating but I think I looked at ARM internships a decade ago and they were paying about the same daily rate as the hourly rate I got from an American company. Guess where people went?