<i>It&#x27;s always a UX issue.</i><p>I agree with you in this case. A Tesla is a mass market item. It should be held to very high safetly standards.<p><i>Just ask the designers of that Chernobyl plant.</i><p>I somewhat disagree here. It was 1960&#x27;s technology. Even now, complex systems like that inevitably have a plethora of ways that humans can screw them up. It&#x27;s very hard to completely prevent determined idiots from destroying the equipment.