You just hand waved the single biggest reason people want CarPlay. I will not buy a car without CarPlay because of Maps.
I don't really care though since I can barely hear them over my cassette tapes blaring through my sound-system and the wind blowing through my manual windows.
‘Besides search, why would anyone use Google?’
You can’t remove the headliner from a show and ask why people still come.
Siri is also miles better than most in car voice systems including integrated Alexa.
Things like ETA are shown in super tiny, low contrast font and lane guidance only shows up ~30s before you need to take your exit.
[1] - https://childof69.co.uk/ha-car-telemetry/ [2] - https://www.autopi.io/blog/build-a-raspberry-pi-touch-screen...