My understanding from one of the articles was that McDonalds wanted them to make a special model that did away with some portion of the manual process in favor

My understanding from one of the articles was that McDonalds wanted them to make a special model that did away with some portion of the manual process in favor of press-button maintenance, and they did. Unfortunately, it turns out that it's hard to replicate the reliability and adaptability of human manual labor mechanically sometimes.