Both of those things work against the use-case of these cameras, which is to prevent crimes against the car and its owner. > Delete recordings in a few minutes

Both of those things work against the use-case of these cameras, which is to prevent crimes against the car and its owner. > Delete recordings in a few minutes if nothing bad was detected The car doesn't detect if 'something bad' happens. If someone keys the car or spray paints it, it might be hours before the driver comes back and notices it. > ensure these recordings aren't uploaded to the internet (similar to SD-backed dash cams) The recordings are recorded to an SD drive (USB drive, actually - https://www.tesla.com/blog/sentry-mode-guarding-your-tesla https://www.tesla.com/blog/sentry-mode-guarding-your-tesla)