> No, the most important thing is not causing a collision. That's why I said "one of the most important", not "the most important". Driving in the least surpri

> No, the most important thing is not causing a collision. That's why I said "one of the most important", not "the most important". Driving in the least surprising way is one of the methods of avoiding accidents. If Waymo's driving style means that they get rear-ended more than normal, that means that Waymo is behaving in a way that surprises other drivers. While it's true that the fault is the driver that did the rear-ending, it can also be true that the accident may have been avoided if Waymo drove in a manner that didn't surprise the tailgater.