Good point. Waymo is not comparing apples to apples here
"At-fault" Waymo crashes on 35mph city roads driven only in good weather vs. all crashes regardless of fault for on all roads including highways driven in all weather conditions
"At-fault" Waymo crashes on 35mph city roads driven only in good weather vs. all crashes regardless of fault for on all roads including highways driven in all weather conditions
The data on https://waymo.com/safety/ reflects these apples to apples comparison.
They’ve also, when possible, done comparisons of the Waymo driver to an ideally attentive human driver. https://waymo.com/blog/2022/09/benchmarking-av-safety/
The biggest challenge is in sourcing the data. A lot of these datasets don't exist or have to be developed.
(The article itself, mixes and matches stats which is a common thing in general media).