Because companies don’t ever lie about not preserving and selling their data they have recorded in public, specially that being used for research purposes meaning it is beneficial to keep it a long time even without an interest in spying? It’s going to require a lot of lobbyists to get the “official seals of approval” that prove automated vehicles aren’t spying, and that’s all that matters in that regard. Well, that, and not being embarrassed by immediate leaks of it.