Originally Posted by MinnMan

I dislike blanket generalizations not backed up by research. Motorcycle fatalities are not eliminated by helmet use, but they are diminished.
People like to make the perfect the enemy of the good. Why this tendency comes out so prominently during disagreements is not clear to me, but it's a general human failing as far as I can tell.

• Motorcycle helmets are 37 percent (for riders) and 41 percent (for passengers) effective in preventing deaths.6
• Helmets reduce the risk of head injury by 69%.