The magic has gone
Too many companies are now locked in to the short term bottom line profits this year thinking and have not had to be interested in training staff. Previous governments could do nothing nor wanted to do anything about 400 million potentially joining the supply to the labour market. Governments have seen no reason for creating an an environment to promote training.
Although the government should have tax records from hmrc regarding foreign workers, anybody who has an IT infrastructure knows about system auditing. A modern country needs to know what's what, from taxing income through to spending it on roads, schools, police, etc.
As with the crash of 2008, what is left is the growing reality of a balanced system that can be understood and acted upon for the benefit of all citizens of the United Kingdom.