Earlier quoted context omitted.
scratch off point d. Helmets don't really do anything to protect you unless you practically fall off your bike standing still. I've seen brains on the street from at least two low-speed bike accidents where the cyclist was wearing a helmet. Also, it's not that all cyclists are disobeying the law. Those are just the ones you choose to see. Drivers and pedestrians alike just aren't looking. I always obey traffic laws o…
Helmets protect you. I slid down a street and my head bounced on the pavement - without a helmet I would have been much worse off. The road rash was enough. Another incident was a truck mirror that grazed my helmet. Nothing major, but in all, the helmet does its job.
Of course, if you weren't wearing the helmet, the truck mirror may or may not have touched you at all.