Seems many (most? all?) modern cars have the idle engine shutoff feature. My 2016 car had the option to permanently disable it with a switch. My 2018 car no lon

Seems many (most? all?) modern cars have the idle engine shutoff feature. My 2016 car had the option to permanently disable it with a switch. My 2018 car no longer has that option - only the option to disable it for the current trip. And according to the salesman, all new cars are like that?