The question in point is, How can anyone justify the need not to wear a helmet if they are going no more then 20 miles an hour? I was floored when I heard the commentator quoting the rider. This rider was not taking the necessary
precautions intentionally, It's not like he was going down the street to get a gallon of milk. Yeah you can feel sympathetic, but the idiot was asking for it. There is a thing called " Gravity", No matter what your skill level is, at some point in time you will go down when you least expect it.