Maybe an objective source that isn't on the waymo.com domain?
"We find that when benchmarked against zip code-calibrated human baselines, the Waymo Driver significantly improves safety towards other road users."
https://pmc.ncbi.nlm.nih.gov/articles/PMC11305169/
alt Hacker News
"We find that when benchmarked against zip code-calibrated human baselines, the Waymo Driver significantly improves safety towards other road users."
https://pmc.ncbi.nlm.nih.gov/articles/PMC11305169/