“You must have ID, mandatory digital ID, in order to work, because we have to stop illegal working.”
Keir, you daft tosser: if people are working illegally, YOU’RE NOT GOING TO KNOW. Your DigitalID scheme won’t tell you who doesn’t have a DigitalID, but is working regardless. As long employers will pay people cash-in-hand without making the existing mandatory checks, which are not onerous, there will be “illegal working”.