Ride-hailing company Uber is slamming the British Columbia government's decision to impose minimum wages and basic labour protections for gig workers, saying the province is set to drive up costs for residents and drive down demand for local businesses.
I’m pretty sure that you’re thinking of Cruise not Waymo. They released info last year that they very frequently had to step in, but that the ratio was still 1 operator per 15-20 fleet vehicles. https://www.cnbc.com/2023/11/06/cruise-confirms-robotaxis-rely-on-human-assistance-every-4-to-5-miles.html
Waymo does have support operators, but I can find no reference to how many they have in comparison to their vehicles.