You cannot say “well you probably haven’t done this one, specific, highly unlikely thing for someone in the UK to do. So yeah caning probably worked, right!” I

You cannot say “well you probably haven’t done this one, specific, highly unlikely thing for someone in the UK to do. So yeah caning probably worked, right!” I haven’t knived anyone. I was never caned at school. The absence of someone doing a thing is not proof of a thing doing what you believe it does.