It's actually just Tesla anticonsumerism that the touchscreen is integral to the car. In legacy cars with A/C knobs separate to the screen, the screen is usually just eyecandy that can be safely removed without impacting everything up to self driving. It's just airliner seatback movie screen for cars has nothing to do with flying or driving.

So if you get a ... I'm not particularly Honda inclined, so I'd say, if you go for anything in the price range of Civic or vicinity, and made sure there's separate physical A/C knobs that aren't connected to the center screen, you should be able to just later install a 2035 Adobe CarPlayAuto 23.4 compliant head unit when the time comes, and keep the car just as you wish(dc I'm not a car manufacturer rep, dyor required).