In this article dedicated to cooperation between drivers, it says that around half of them are quite cooperative: https://arstechnica.com/science/2019/11/giving

In this article dedicated to cooperation between drivers, it says that around half of them are quite cooperative: https://arstechnica.com/science/2019/11/giving-autonomous-cars-a-theory-of-mind-improves-their-integration/ https://arstechnica.com/science/2019/11/giving-autonomous-ca... That behaviour split definitely sounds like an exploratory algorithm at work.