I do wonder where the perception comes from. It's something I've been pondering for the past week or so. I had emailed my sister a few photographs taken by a friend at a recent VCC ride on old road bikes, including 1 or 2 of me riding. She phoned me up to object that 4 of us (including me) weren't wearing helmets and how stupid we are, etc, etc, etc. I was wondering where that had sprung from. This was a purely social ride at relatively slow speeds of about 30 miles in the middle of nowhere, we hardly seen a car at all, we are all old enough and have been cycling long enough not to take any silly risks. It was, I would say, a safe and enjoyable way to spend a Sunday afternoon. Yet to talk to my sister, you would think we were jumping of cliffs.
I know it's easy to get wound up by close passes and impatient drivers, but how often are we really put in genuine danger? Not very often in my case at least. And what would half an inch of plastic do for me if I were hit by a car at 60mph?