More straightforwardly, people are generally very forgiving when people make mistakes, and very unforgiving when computers do. Look at how we view a person accidentally killing someone in a traffic accident versus when a robotaxi does it. Having people run it on their own hardware makes them take responsibility for it mentally, so gives a lot of leeway for errors.

Oh please, why equate IT BS with cancer? If the null pointer was a billion dollar mistake, then C was a trillion dollar invention.

At this scale of investment countries will have no problem cheapening the value of human life. It's part and parcel of living through another industrial revolution.