This is a common misinterpretation. The data only shows that TACC + Autosteer reduced crashes by 40% vs TACC alone. There is no comparison to complete driver control.
Tesla’s data shows autopilot (TACC + Autosteer) to be 50% safer than human driver control. While I have yet to see an independent study verifying that, the evidence is compelling. Humans are terrible drivers.
> "The probability of having an accident is 50 per cent lower if you have Autopilot on," said Musk, speaking at an energy conference in Oslo, Norway. "Even with our first version, it's almost twice as good as a person."
> The results are from Tesla's first generation of Autopilot, which owners have already used to drive over 47 million miles since it launched in October 2015.
