Who decides what is risky enough to warrant that? Your example with bicycle helmets is a perfect example, helmet usage is not correlated with less bicycle accid

Who decides what is risky enough to warrant that? Your example with bicycle helmets is a perfect example, helmet usage is not correlated with less bicycle accidents/injuries. The greater risk is that people choose a car just because they do not have a bicycle helmet, considering long term health should be a part of it.