Chris there will always be a worry with regard to “rouge states” and hackers in general but the risk won’t be any worse than it is to planes or trains. There is the possibility of hacking anything electronic and that will never change.
The drive to full autonomy is cost driven, for a taxi to run 24/7 two drivers are required, no more, lorry drivers need to rest every so often, no more, bus drivers similarly, no more. I could go on but you can see the cost savings right away.
Thousands of people out of work, almost certainly but that’s a problem for others not for Tesla, Apple Amazon, uber etc.
If motability charity identify an alternative model that better serves the people it was set up to serve surely, they would have a morel duty to offer it to us?