> Why not the other way around? You do the driving, and the computer is the backup in case you mess up? Unfortunately having the computer takeover has the same

> Why not the other way around? You do the driving, and the computer is the backup in case you mess up? Unfortunately having the computer takeover has the same issues. If it thinks you're following the wrong lane it could choose to steer you into a barrier, for example. Chris Urmson's team at Google ran user tests at the start of their autonomous vehicle program and found that users misbehave [1] when behind the wheel of semi-autonomous vehicles, despite having been given instruction to pay attention. We're seeing that scenario play out in slow motion in Teslas and perhaps other driver-assistance programs that get less press. [1] https://youtu.be/Uj-rK8V-rik?t=14m7s https://youtu.be/Uj-rK8V-rik?t=14m7s