Have a look at Drudge today: “Hacking fear cause anxiety as self-driving cars emerge”
https://www.theguardian.com/technology/2016/aug/28/car-hacking-future-self-driving-security
Your Pollyanna view of the world and limited experience is restricting your vision.
(This post is Caps-free for your viewing pleasure)
Every time you post about hacking you provide another reason why none of these companies want their cars to talk to each other. Nothing Pollyanna about it, I’m just actually paying attention to what these stories MEAN. Which you are studiously ignoring.