Billions of people travel in cars. Those lives are on the line every day. One million people die in car crashes each year. The amount of injuries to people and

Billions of people travel in cars. Those lives are on the line every day. One million people die in car crashes each year. The amount of injuries to people and property is huge. Preventing most of this carnage is a major goal of these self driving car initiatives. How many deaths from someone not following explicit instructions of always being ready to take over from the beta version of some self driving car system would you accept to save 1/2 a million lives per year? One, ten, one hundred, one thousand, more?