Machines in a business setting when they cause death, often it is due to improper safety protocol for said machines.

Consumer devices don't have this level of control over a person's life anywhere near as often, in the sense that the device has your life at stake and makes decisions for you.

"no one is at fault" is entirely counter intuitive to engineering principles. When a rare accident happens, the engineer is often responsible.

We don't 'build' AI in anywhere remotely the same way as buildings or legacy software products, there isn't a 'designer' for said AI system other than the training model - which can certainly not account for every possible edge case.

Self-driving cars can't 'only be \better\ than humans'. Because only humans can currently drive. Self-driving cars need to be nearly 100% safe when you entirely remove the human driver.