After posting my post (of course, I got to brag before reading your opinions), I started reading how valued "multitouch" seems to be among
It's, granted, a game-changer that enabled buttonless phones, for better and for worse. But in a car, you want to avoid as hard as you can all kinds of interfaces that require your visual attention. My body knows where most useful buttons in my car are (and in the strange event I need to, say, switch the airflow setting, I know I can do it while at a red light or something like that). I do not want a car that enables me to do what I should only do with my full attention on it.
I neither want my neigbour driver's car to provide such abilities, of course.