Re: What have I missed?
"There's obviously some really cunning idea in all this to prevent the system being widely abused on its first day. What is it?"
It is doubtful that particular penny has dropped yet.
n the 1960s a dog-eared copy of J. P. Donleavy's "The Ginger Man" was passed round our VIth Form common room. Actually it was only dog-eared at one or two choice pages.
The school playground has long been the forum for easily concealed illicit things.
Wearing a tinfoil hat - it would be almost reasonable to presume it is intended as the thin end of a wedge for the "Great Brexit Firewall of England&Wales". Alternatively when it is shown not to work for the children - but sufficient adults are using it - then will come the requirement to use your linked HMRC verification instead.