Can I please just get a car, instead of a rolling computer / infotainment / privacy nightmare?
Teslas have a WiFi and cellular modem. You can’t tell what exactly its sending or receiving because encryption, but uploading video to Tesla’s servers means a much larger data set than just telemetry. It is very easy to see if something like that is coming across.
https://www.tesla.com/ownersmanual/modely/en_us/GUID-EDAD116F-3C73-40FA-A861-68112FF7961F.html