The legal problem is: which humans? It's one thing to say that on average, the system will save lives compared to an average human. But perhaps the human in t

The legal problem is: which humans? It's one thing to say that on average, the system will save lives compared to an average human. But perhaps the human in the car is above average. Is the car safer for them? Perhaps not. How can they discern the relative safety? The easiest way to deal with the issue is to be safer than, say, 99% of drivers. I don't think Tesla can make that claim at present.