Apple is good at making gadgets, using clever tech to solve problems properly. Not saying that autonomous cars are not nice or cool. But that is not the only problem with cars. What’s if everything is Siri ready, all connected to your phone automatically, tells you where you need to go and how best to get here. Can have safe voice calls, hands free, when you are driving. Apple will do everything to make sure that their cars are safest on the road, which is already a great feature, not to risk tarnishing their brand.