Thank the Lord that the Judge, Jury and experts were not as argumentative and ignorant of the Air Navigation Order and Criminal Law as a few on here.
Whether we think the pilot should have completed an approved EASA aerobatic course is irrelevant. No ANO or law says that he has to. Furthermore, the Tiger Moth is a permit aircraft and not C of A type.
Do we think looping an aircraft without any experience is sensible? Of course we don't. Did this pilot have any experience of looping? Yes he did. Enough? Well what is enough 20 hours, 50 hours, 100 hours?
The best display pilots with 1000's of hours have put them into the deck.
Driving a car is no different. How many drivers caught doing over 100mph have an advanced driving license? Less than 1% I'd say. Pity, because if they had completed the course they would be disciplined enough to use the rear view mirror more and move out of the outside lane to let me pass.