Rivian has given a cool solution, apparently because of consumer demand, or idk why they did.

Rivian lets you disable all data collection: (https://news.ycombinator.com/item?id=47967786)

I don't think consumers care about their cars being connected. Personally, I would just rather use my phone for whatever connected features you would want in a car.

This might make up for its lack of CarPlay for me.

Setting the climate control remotely is handy, and it needs its own modem to do that.