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Well yeah, that’s my point - acceptable risk is, in fact, good. If it weren’t, then there would be no resistance to that $100,000 component. But of course we still want to reduce danger, so adding an extra 2% to the cost of a car is fairly reasonable.

>However we do mandate rear back up camera which costs $1-2k and saves some percentage of lives when backing up.

A rear backup camera module, its wiring, and the screen cost less than $15 at volume for minimally-viable options and $100-300 for "good" (HD, guidance lines, proximity sensors, etc.) options.

Not $1,000-2,000.

What manufacturers charge for them is a different matter.

rear backup cameras are one of the cases where I think the math falls apart - its like 250m dollars to save approx 30 lives a year - where is does work is reduced body damage to vehicles, however I dont know thats enough to mandate them.

Surely the backup camera wouldn't need to cost that much?