None of the waymos I've been in had a human behind the wheel. There was still a wheel, I assume as a cheaper-than-a-tow-truck for if it runs into certain issue

None of the waymos I've been in had a human behind the wheel. There was still a wheel, I assume as a cheaper-than-a-tow-truck for if it runs into certain issues, and waymo wants to turn the self driving off til it gets to the shop