>>1416567>you don`t harm anyone but yourself when crashing without a helmet.You may harm the government's budget though. Here in Australia we have universal Medicare and head / brain injuries are expensive....
At least thats the only salient argument i have heard in the countless shouting matches i have had with police about this issue over the years.
Still though its an old law from the 80s and bikes, cycling infrastructure and society have changed radically and the law needs to be totally reformed.