It's also a well-known and completely predictable behavior for humans. In just about every other job requiring constant vigilance, there are multiple factors mitigating this failure mode (shift lengths counted in minutes, multiple observers, automated attention checking devices that shut down the machine if not reacted to, other employees ensuring the observers pay attention, etc.).
Uber should absolutely get the blame for creating this situation in the first place; letting a self-driving car out with only a backup driver as safety, and with her phone on her to boot, should not even be allowed.
Uber should absolutely get the blame for creating this situation in the first place; letting a self-driving car out with only a backup driver as safety, and with her phone on her to boot, should not even be allowed.