I dunno if this is a rhetorical game we play with ourselves in our heads but whether it’s or it isn’t, we know exactly why they are doing it and we have for many years.

Your car has an active cellular connection whether you pay to rent time on it or not and it transmits your location, an ID number, usage habits including driving controls, music preferences, and possibly keywords spoken while in or near the vehicle, to the manufacturer. They relay that data to the government who uses it to learn who you associate with and when and where, and they sell it to your insurance company who monitors you for risky behavior, and they also sell it to advertisers who also profile you to device what the best things to try and sell you will be.