Your opinion comes as security expert working for a group whose hardware leaked the data for 400 000 people just a few months ago: https://www.techzine.eu/news/security/127456/volkswagen-data...

Maybe your cars could use that tinfoil hat and avoid leaking personal data.

Now on a serious note: there are better odds of staying hidden between the noise of thousand cheap chinese manufacturers than willingly get yourself into the hardware of a very suspicious supplier.

You are correct that it is game over once there is physical access to your hardware, the thing we try to avoid here is guaranteed remote access from the comfort of some servers in Utah.