[theo_luddite]

Because either,
A) he didn't get the Police enquiry form for most of the relevant shindigs
B) he had a top paid legal brief fill them in for him if he did
C) the one he f'd up on was filled in by his dimwit and self picked Attorney General, Suella Braverman, who quite honestly you wouldn't ask advice from for defending a parking ticket. This is the same woman who says screwing around with the NI protocol will be legal(ish) in a certain and limited kind of way.
The same AG that doesn't seem to see much of a problem with our Home Secretary's attempts to break international laws either.