Good question. Yeah, there's Asian and European tight spaces, maybe some U.S. urban situations, but I think it is a fair guess that the preponderance of folks commenting on this forum are U.S. suburban dwellers such as myself. I don't see many people talking in kilometers.What is the purpose for the electric folding mirrors? I have truck with manual folding which I only fold if I go through a car wash. My wife's 2019 Mazda folds everytime the door locks and is used by her to verify the doors locked. What is their real purpose?
For U.S. suburban dwellers, one application I could foresee is if you have a narrow garage with a bunch of yard equipment, garbage cans, whatnot, lining the walls. That might make life a little easier getting between and around the vehicle or vehicles.
There's one other concious reason I can think of that somebody might put these mirrors on auto fold other than "because it's there". I'm loathe to say this, and I'm likely to get blowback, but it is a way to signal to those around you that you have an upper trim level.
You can drop over $40k on a Signature with options and tax, and there really isn't much to distinguish its appearance from lower trims. There's a little badging on the back and the upgraded rims and tires, but the coloring of the base charcoal rims, oddly enough, is actually more in line with the upgraded rim coloring on other makes and models these days.