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If Tesla can prove riding in their autonomous cars is an order of magnitude safer than human operated cars then it would be unethical to not allow them to switch on full autonomy.

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It would be unethical that Tesla's magical actually full self-driving is only available as a autonomous system, not as driver assistance. You should not compare a modelS driven in favorable weather on favorable roads with younger people to the average car on the average road. You should also not compare a autonomous system with a system with no comparable driver assistance.

Tesla will convince me of driverless cars when a modelS driverless outperforms a modelS with a driver using emergency braking and lane keeping assist.

That's a big if. And as discussed recently on HN, it can't just be safer than average human drivers, it has to be safer than good human drivers. That is a pretty tall order.

Are “good” human drivers an order of magnitude better than “average” human drivers? Because that’s where I put my bar: marginally better than “good”, an order of magnitude better than “average”.

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