Well this isn’t new, but it is good. It dates from the time the USA got into a complete horlicks over the Presidential election. Hanging chads and all that.
Some people have got very up tight over the point that Britain cannot revoke something that was never granted. Of course they are right, but to over rule in this context would spoil the fun. Anyway, if they calmed down & read the body of this text, they would probably find they are the very people who have something to learn from this.