Waymo has been "scaling up".

In the earliest days the lost and found was 7 days a week with highly permissive hours for a manned desk at the depot.

Then one day it became weekdays-only, but with a still large window.

Then one day the window for pick up got broken up into a few smaller windows throughout the day.

Now with the larger Bay Area expansion they did switch to automated lockers, but if you're unfortunate enough in SF specifically, your belongings now end up in a locker an hour away from from the city...