Having observed my roomies trying to sort out ordering stuff off these delivery companies' apps, talking about things listed in the menu the restaurant doesn't

Having observed my roomies trying to sort out ordering stuff off these delivery companies' apps, talking about things listed in the menu the restaurant doesn't actually do and all that, I have a hard time believing that this is for certain a mistake by the restaurant. I suspect it may have been that Burger King corporate added the product and expected franchisees to remove it or hide it until they had the product on hand and this particular franchisee had difficulties doing that, such as it was not noticed by the people with access to do that in the delivery app, or access was difficult to get. This sort of thing is to be expected when we push simple applications into complicated environments (which the franchise fast food restaurant is a complicated environment that seems simple at first glance) and expect it to be easy.