Note: I’m not going to say Tesla isn’t being at least moderately reckless with its rollout of self-driving features, just that I firmly believe even a less than ideal AI with good enough training and sensor data can trounce the safety record of human drivers.
This is the crux of the issue. If we had AI that could outperform human drivers and make our roads safer then I'd agree that we should use it. But I see no indication that this is the case, or that it's even technologically possible at this point.
Tesla can make whatever claims they want, but until their self driving systems have been independently and rigorously tested they shouldn't be anywhere near public roads. Have such tests happened yet? The article doesn't mention any, so I assume that they haven't.
I too am shocked that anyone is ok with this, given the auto industry's history of fighting against safety and transparency.