As mentioned in another comment, the link takes us to the parent page where you can choose a brand (and presumably then, a model) of car to learn about.
I noticed that Mazda isn't included among their brands so I sent a suggestion, thank you! I didn't know that they provided privacy support for so many devices - they even have the Nintendo Switch in there and all kinds of categories: https://foundation.mozilla.org/en/privacynotincluded/
What would you need to do to make a car dumb? Remove all connectivity chips? ECU swap? Flashing custom software?
Buy a simple car
Found another video about privacy in cars: https://www.youtube.com/watch?v=eIryvRwxp9A
Here is an alternative Piped link(s):
https://www.piped.video/watch?v=eIryvRwxp9A
Piped is a privacy-respecting open-source alternative frontend to YouTube.
I'm open-source; check me out at GitHub.
They come right out and say they can collect and share your sexual activity, health diagnosis data, and genetic information
Dude what the fuck
