That sounds like a lot of liability. For one thing, it almost certainly means that the vehicle is being sold without the manufacturers warranty. It also might mean that the manufacturern won't even support the vehicle for service. And finally, by disabling OTA updates there could be safety implications.
Who said anything about disabling or modifying anything?
You just look for older car models that don’t snoop.
Cars made before about 2017 for example.
I see what you're saying now.
In my opinion, a regulation that would require such surveillance tech to be disclosed, not unlike tobacco warning labels, would go a long way.