I think the upside of this method is not only the efficiency of reducing the human labor cost, but the consistency of eating something made by robots. Above all

I think the upside of this method is not only the efficiency of reducing the human labor cost, but the consistency of eating something made by robots. Above all else, many Americans prefer consistency, which helps explain the popularity of many chain restaurants. Companies like Starbucks and McDonalds go to great efforts to ensure product control and proper training with minimal variability in the product quality. Also other exciting options include A/B testing which can provide a better feedback loop than manually tinkering and trying to tease out consumer preference.