Will the new form of vandalism be any different than letting the air out of someone's tires, also rendering it incapacitated?
I don't see this really being a problem that has to be worried about.
Where this breaks down is 15 years down the line when the newest set of drivers doesn't know how to actually drive....
I've read about how hard it is to sell an aging Prius because the battery pack has to be replaced. Its apparently not easy to do and the part is very expensive. For used car buyers you're better off buying a gas civic if you want an efficient older car. ICE doesn't age like electric.
Ideally, there's a fair amount of (reliable) self-diagnosis. If you merely have to replace a camera that starts to malfunction, it might not be any more difficult than replacing a starter or an alternator (depending on construction.)
Its a bit like building a PC vs having a smartphone, which is mostly run by the OS supplier and carrier. The former is doable but the latter is way too locked down for the DIY crowd. The phone-ifcation of all things is concerning from many perspectives.
This is definitely done on start, and probably even during operation.
Good on you for being risk averse. Bad for all of us if you were in charge.
Risk will always be a factor when trying to push the envelope and bring new tech to life.
It's easy to put down most ideas on the basis of some risk - cars, rockets, medicine...
You have to build something and then you will discover how to improve on that eventually.
When Tesla shows me the same car driving in pouring rain, day or night, in snow, or such, then I will say "damn, they are truly making it work". Until then its a cheap magic trick and dishonest.
What is so odd is bragging about driving when people are least likely to need it, nice wonderful days. Safety systems have been aimed at providing control and reaction in the worst environments.