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That's a superficial analysis. Tesla's MTBF has been discussed here before. For one thing, Tesla's auto-driving is only expected to work on freeway-type highways, and fatality rates for those are lower than for all driving. Tesla's "autopilot" now has a second fatality, in China.[1] There's dash cam video. "When it was approaching the road sweeper, the car didn’t put on the brake or avoid it,” a police officer said in the CCTV report. “Instead, it crashed right into it." Take a look at the photo. It's possible that the big rotating brush behind the street sweeper didn't produce a radar return. Remember, Tesla's radar is only at bumper height. Teslas are radar-blind at windshield height. The rear profile of the street sweeper truck, which is high off the ground, may not have been recognized as a vehicle by MobileEye, especially since the street sweeper is throwing up dust. Video: [2] So far, there seem to be at least two Tesla autopilot defects that can kill people: #1 is a high obstacle. That was the trailer crash fatality. It's also the auto-parking failure where the vehicle didn't stop for a truck with overhanging ladders out the rear.[4] Teslas are radar-blind at windshield height, and if it doesn't look like a car or truck rear end, the Mobileye vision system won't see it. #2 is a left side obstacle partially blocking a lane. There are two videos of crashes in this situation.[2][3] The "how big is the open space" vs the "how wide is the vehicle" analysis may be defective.