(Though 'obviously' it was released during the time of CoronaVirus to 'bury' bad news!).
Loadsa people apparently were too stupid or too lazy to regularise their position in the UK!
Bit like my father. Allowed to drive a car (before driving tests).
HMG requires license to drive car. Gets one. Not surprised if pulled up by Mr Plod that needs to show authority to drive and would have been driving illegally here f had not got one.
"You know, there really exist certain people to whom it is assigned, at their birth, to have all sorts of extraordinary things happen to them" Mikhail Lermontov