For me it’s about the waste. Engineers have taken the time to build a screen into the car with a good viewing angle, that works well with glare, doesn’t obstruct the drivers view.

Then the software side just makes the whole thing useless with a terrible UX that will never be updated.

CarPlay is a great solution because the non safety critical stuff (music, navigation) gets offloaded to a competent software company.

Plus it improves every year.

On my previous car it never changed from the day I bought it, other than navigation getting more and more out of date.

On my current car I get software updates occasionally. I’m not sure that function ever changed though.

Meanwhile my iPhone gets better every year. And if I buy a new phone? CarPlay can get faster. My car never will even if I wanted to pay them.