You wouldn't expect Waymo to hockey stick though. It's not software.

Waymo's scale is constrained by many factors: (1) physical cars (requires capital), (2) hi-def mapping, (3) operations (depots to charge, clean and maintain cars, "fleet response" - https://waymo.com/blog/2024/05/fleet-response/), and (4) regulatory environment (permits on a city/county/state basis).