These anti-democratic impulses are similar to the arguments used against the Chartists, the Suffragettes and all the way back to the Levellers. Only the elite capitalists, financiers and political classes, we are told, (whose wisdom, of course, brought us the great crash of 2008), can be allowed to decide the destiny of all, and the common man and women must defer to their betters. And that destiny is to be a Europe united under an unelected and unnacountable leadership.
The same experts, by the way, whose policies have devastated the economies of southern Europe and pretty much destroyed Greece, while placing blame on the Greek people.
Yes, there will be a short-to-medium term economic hit to leaving the single market. No, it is not essential to exist in a supranational state (where not everyone shares the benefits). Yes, there is every reason to be confident that new trade deals can be struck both elsewhere and with a Europe that will still want to trade with us, assuming the government is committed to competently persuing this.
And yes, there are definitely vested interests squealing the loudest. From bankers and their billions of bonuses to the middle-class with their cheap au-pairs and builders.