"Safe driver" while the Waymo won't be drunk, tired, distracted, reckless or rude. It may fail in many other ways, from software bugs, ML errors, to hardware failure.

> It may fail in many other ways, from software bugs, ML errors, to hardware failure.

Definitely a risk, but one that has been well studied. Waymo is safer than other drivers in the areas it operates: https://waymo.com/blog/2024/12/new-swiss-re-study-waymo

Because the input costs are less?

Do you not want it to cost less?