Google's self-driving cars is collecting a lot more data than Tesla is --- it has many more sensors that Tesla's cars. So it's not just how many miles you hav

Google's self-driving cars is collecting a lot more data than Tesla is --- it has many more sensors that Tesla's cars. So it's not just how many miles you have driven, but what is the quality of the data. More importantly, it's not just having more data, it's how you use it, and that's what Google has been doing for the past five years. The other reason for the caution is that people's lives are at stake. Google's self-driving cars are significantly more advanced in terms of the sorts of situations which they can handle ocmpared to Tesla's. But one of the things which Google has found is that there is an uncanny valley in terms of driver safety as self-driving cars get more capable. People will tend to trust them more, even shouldn't, and that paradoxically, makes them less safe. The first generation self-driving cars were lent out to Google employees, where they would be told that the driver would be video'ed for research purposes. And people were found reading e-mail, newspapers, etc., even though they were told to be ready to take over at any time. After all, what do you do if you lose a tie rod? Or you suddenly have a catastrophic tire blow out at highway speeds? That's why the second generation car has no steering wheel, because it's been shown that it's hopeless to depend on the human being. Instead, you need to have dual redundancy for everything (much like in aircraft design), so that even if you have a hardware problem, that the car can always bring itself safely to a stop at the side of the road, even if the driver is asleep or totally not paying attention because they are too busy watching Harry Potter or some other movie. Caution is good, when human lives are at stake. Even if they are doing something that they were emphatically being told Not to do, if they do it, maybe the designer of the Autopilot has at least some moral responsibility, even if the lawyers have carefully protected Tesla from any legal liability?