I dont agree with it either but as a kid in the seventies I rode on the back of my dads bike as well,usually no helmet and my dad had a few as well.Surprised I made it.but then again ,back then if you fell down and smashed something you usually learned NOT to do it again,Kids these days with helmets and knee pads,sheeesh,politicall corectness gone overboard,bunch o namby pamby's.