I agree wholeheartedly that unpredictable software is unacceptable in cars, and I drive an older model car specifically because it's not loaded with touchscreen

I agree wholeheartedly that unpredictable software is unacceptable in cars, and I drive an older model car specifically because it's not loaded with touchscreen software "features," but cruise control is the wrong target for your anger. It's old enough to be a retiree with a gold watch.