Absolutely this, plus it's wonderful thing hindsight. either way l'm sure their parents and family are still just as devastated, wether they were supervised or not.
Although it was a very different world then, back in the late 1960's when l was a similar age l always seemed to be out and about...
A wise lady your mum, a good friend of my parents died in much the same way when attempting to ice skate on the Thames when it froze over in the infamous winter of 1963..