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    This design decision seems pretty hard to defend:

    At 1.3 seconds before impact, the self-driving system determined that an emergency braking maneuver was needed to mitigate a collision (see figure 2). According to Uber, emergency braking maneuvers are not enabled while the vehicle is under computer control, to reduce the potential for erratic vehicle behavior. The vehicle operator is relied on to intervene and take action. The system is not designed to alert the operator.

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      “I can’t figure out why, when the emegency stop code is enabled, the car gets all erratic. I know, I’ll just comment it out. Okay, next bug…”

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        Holy smokes this sounds bad!

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        The system first registered radar and LIDAR observations of the pedestrian about 6 seconds before impact, when the vehicle was traveling at 43 mph

        % units
        You have: 43 miles per hour
        You want: feet per second
        	* 63.066667
        

        Uber’s software couldn’t decide what to do with 126 yards of processing time.