I do not understand why that would be so. With a key you need to use hand eye coordination to stick the key into the hole and turn with (sometimes) force (and

I do not understand why that would be so. With a key you need to use hand eye coordination to stick the key into the hole and turn with (sometimes) force (and sometimes need to apply pressure to the door as well). With a keypad you need to stick out your hand the same length as with a key- and push a few buttons. I do not believe you are correct.