That's the trick though isn't it: it is cheaper and more convenient, so who's going to pay for it when it isn't?
To put it into an RMWeb context, why do you think all the major model manufacturers use Chinese factories for the bulk of their production? It isn't because it's a convenient commute. Would you be okay with paying 2x the price for something to be made in a British factory, with a British workforce, being paid British wages? A cheap workforce & cheap manufacturing base has underpinned economic growth in pretty much every country ever, and the UK is no exception.