It's not necessarily about speed of reaction, although that certainly plays a part. Such software needs to react in real time though, if the task that's turnin

It's not necessarily about speed of reaction, although that certainly plays a part. Such software needs to react in real time though, if the task that's turning the steering wheel gets preempted in the middle of taking a curve on a cliff your self-driving car will become a self-flying car. Such a system would be the equivalent of a driver that suddenly starts texting at all sorts of poorly chosen times.