If a people and their state have decided that a million cars are beneficial enough to cost 100 statistical deaths through pollution, it isn’t up to executives at the manufacturer to decide that they really meant 200 deaths.

It’s the same with other faulty products on an individual scale. People make daily decisions based on vague ideas about the risks involved, not with the idea that they avoid all risk. For example you aren’t allowed to pack a parachute incorrectly on the basis that skydiving is dangerous anyway.