From YouTube comments, it seems was an experiment of 2023 with video only uploaded now. It also looks like was not that successful, as they were too slow, and ended up causing problems for the meat based drivers...
I will say, like the anonymous commenter you are paraphrasing, I have encountered many "meat-based" drivers who are frustrated with how the autonomous vehicle under my supervision is travelling at the posted speed limit, rather than illegally enabling them to save neurotic seconds on their drive.