Because while 99.9% of highway driving is simple, you don't want to turn something like another car being parked on the highway[1] into a mass-casualty incident

Because while 99.9% of highway driving is simple, you don't want to turn something like another car being parked on the highway[1] into a mass-casualty incident because it was too complex for the lead car to handle, and the following 200 vehicles were all filled with equally stupid AIs driving with their owners sleeping or on their phones. 1. https://arstechnica.com/cars/2019/05/feds-autopilot-was-active-during-deadly-march-tesla-crash/ https://arstechnica.com/cars/2019/05/feds-autopilot-was-acti...