Tesla has front and rear cameras always recording, and two cameras for the side view as well. IIRC theres probably 1-2 more cameras too but I don't own a Tesla.
You can set sentry mode to record while parked too, but when the cars on its a multi-camera driver recorder.
And no, not many other cars do this at all.
I'm pretty sure they do store some video footage for spying on you. Why wouldnt' they? They all have a hard drive and cameras. It's only a software setting. I'm not certain of that, however. But you can look up how cars spy on you.
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