alt Hacker NewsIt really isn't. FB Marketplace is literally awash in perfectly serviceable vehicles that don't and can't phone home. For the budget conscious among us it's also significantly cheaper to buy a "clapped out" used older car and refresh the drive train than buying new or late model.
Besides the irony of a privacy-conscious user using facebook to buy a car... those "perfectly-serviceable vehicles" are 1. no longer manufactured, and 2. will not last forever.
Unless a new age of unconnected cars becomes a reality in the near future, I don't see this being a long-term solution.