I have literally NEVER seen anyone do preventative maintenance or repair on a shopping cart. All I ever see are attendants collecting them from around the store and parking lot, stacking them, and pushing them back to their holding pen.
It’s like pigeon nests - you never see them but they happen.
Usually it’s a cart maintenance company that comes in the middle of the night when the store is closed. Only time I’ve ever seen one is at a 24-hour store.
