Why does it matter if they fold/unfold?
Far simpler in my book to have them fold when you lock the car, then they always fold and you don't have to think about it.
I guess auto folding mirrors are the same as ACC, auto hold, auto start stop, auto light and auto wipers, some people have an OCD about "lack of control"... personally, give me less things to think about, I've got enough on my mind most times!