If you were choosing between getting into a Waymo or a car driven by a human driver (where Waymo operates, for a route that Waymo would do), the data shows that the Waymo is safer.
One cabby pulled out of a t junction to end up alongside me on a motorbike – a Waymo would never do that.
In the US, we do have access to all the data [1]. They're required to report every incident with an injury or any amount of property damage, and it's all available for download as CSV.
> For another, it at best shows that Waymo is safer than average.
No, it shows that Waymo is 6 to 12x safer than average.
[1] https://www.nhtsa.gov/laws-regulations/standing-general-orde...