Well, they are not a solution to transport problems, or to traffic jams.
Yes, they can be complementary to other types of transportation. Yes, companies will enshittify them beyond measure if/when they reach a certain proportion of cars.
> It's recognising that humans have diverse and varying needs for interaction and privacy.
No. I don't think this was even uttered by any of these companies.
Waymo claims to be committed to safety: https://waymo.com/about/
Tesla: stress and safety https://www.tesla.com/fsd
Zoox: purpose-built taxi shaping the future of transportation https://zoox.com/about