This feels like an incomplete statement. Waymo makes decisions locally and also escalates to humans, often. Humans making decisions at intersections or important route moments or unexpected scenarios is probably the right move for a long time, in my opinion. The moment by moment decisions are onboard as they have to be but it isn't "wayno doesn't do this".
IIRC the car typically asks yes/no questions, but comes to a safe stop on its own first. In some cases they might draw an escape route for it on a map.