I feel like you're deliberately missing the point.
You don't need them to have a reversing camera. Literally millions of cars over the past 2 decades have perfectly fine reversing cameras using the screen of a regular double-DIN deck (or fold out single-DIN deck).
I, too, felt you were being intentionally dense in this thread. We've just been talking past each other.
I don't see a meaningful distinction between a screen on a DIN unit and an integrated screen.
With Android Auto or the ios equivalent -- a hard requirement for most car buyers today -- a touchscreen is basically required.
Other "smart" features aren't required but I'm not surprised car companies want to try and extract value from in-car tech. It's got nothing to do with providing value to consumers.
> I don't see a meaningful distinction between a screen on a DIN unit and an integrated screen.
Someone questioned why a car needs two 12" touch screens.
To which you replied
> Backup cameras are an enormous safety improvement.
My entire point is, that there's zero relationship between having a backup camera, and needing a 12" touchscreen, or a touch screen of any kind.
If your backup camera needs a touch screen, you've already failed. The entire point is that it activates automatically and deactivates automatically.
They've been available for literally decades - Toyota had a production model with a reversing camera in the fucking 80s.
Nothing else you've said since is related to your claim "Backup cameras are an enormous safety improvement" and that claim is completely unrelated to OP's question about why a car needs not one but two 12" touch screens.
