And in this case the video, cameras and sensors did provide that information.
It seems there was a manned safety driver in the vehicle as well at the time but the person came out of the shadows immediately in front of the car and would have been hit in any case.
But we need to remember that there are about 15 pedestrian fatalities daily in the US and over 300 daily injuries serious enough to require medical attention.
What is more, injury by inattentive walking is a rapidly increasing problem in the US.