The ride of a lifetime?

A Target opened about a mile from our house last fall. It's located on the top floor of a four-story building, so it has one of those cool conveyor belt escalators you can put your cart on as you ride the regular escalator.

While it seems pretty self-explanatory in terms of what you should and shouldn't do, one has to wonder if the sign was put up in response to parents letting their children ride the conveyor belt, or if it's just protection from liability. And I love the misplaced modifier "from the bottom of the cart"—or are there really parents who let their children ride in the bottom of the cart?

In that case, here's your sign...