Urmstongran
As far as I know a delivery driver on a zero hours contract doesn’t need a degree. Or Erasmus Whitewave. It’s horses for courses.
The delivery driver is probably delivering products developed, designed and made in Asia and sold by a massive conglomerate based in China, with the money for the manufacture and the sale and resale all going to out of Britain to those areas. Someone with a degree who benefitted from the internationality of Erasmus is likely to participate in the research, development, design, manufacture or sale of products, and could (if our government had the sense to encourage them) work on those skills in Britain.
Why do you think that the students should be prevented from broadening the international education and intellectual contacts that would make them fitter for boosting Britain's exports in a competitive world and improving the balance of our money flow? The rest of the world are all working very hard at absorbing knowledge, skills and networking fom each other, why should we ignore them and stick to gazing at our own own navels?