Earlier quoted context omitted.
Can you cite any of those studies? Is this one of those things where studies count the accidents reported for each group without controlling for population size? I ask because there are “studies” that show there are more skiing accidents with helmets than without, but anyone who has spent a day at a ski hill can tell why that is: the vast, vast majority of people are wearing helmets. Throw a rock into a crowd of skie…
It's been over a decade since I last stepped foot in a ski area. I don't remember anyone wearing a helmet that wasn't on a snowboard. Are they more common now? It makes a lot of sense with how bad things go when they go bad plus all the trees.
Never read any triumphant reports about how this has saved ten thousands of lives though, so I suspect that numbers aren't that impressive.