Do it like china does with iphones. Apple sells them but icloud in china is controlled fully by a chinese company owned and operated by chinese citizens.

While this does not fully prevent backdoors and hacking it does raise the bar quite a lot.

The president of a country disable another country's cars to push a trade deal because he was in a bad mood?

What an utterly ludicrous and silly notion.

Is what I would've said two years ago.

I wish it was two years ago.

Less internet connection in cars?