What's a better metric? When deciding whether self driving cars is something to encourage or discourage, the obvious question to ask is: Does this improve safet

What's a better metric? When deciding whether self driving cars is something to encourage or discourage, the obvious question to ask is: Does this improve safety? You can make moralistic arguments about why you don't like this or that, but at the end of the day you are causing unnecessary deaths when you choose to suppress a system which is better than human drivers.