Very few newer vehicles have DIN mounts anymore. The proprietary infotainment systems are deeply integrated into the vehicle and can't be replaced, at least not without losing a lot of functionality.
Ugh. Right. Fair point. My car is from 2010. I dread the day I have to do any serious work on my wife's 2018. When you turn the headlights off, there's a perceptible delay while the computer thinks about it before actually turning them off.