I encourage you to be more quantitative. We trade money for safety constantly. Every time you drive your car to work you do so, and likewise every time you buy

I encourage you to be more quantitative. We trade money for safety constantly. Every time you drive your car to work you do so, and likewise every time you buy a small car. As of a decade ago, incorrect airbag deployment killed one person for ever 7 lives it saved. Nonetheless, they were mandated by law for many classes of cars, and were purchased voluntarily for others. And this was the right decision. They could have spent thousands of dollars per unit to get the mistake rate even lower, but that wouldn't have been worth the money.