So, a busy robot coffee shop still has 1 (or as many as needed) staff on to handle those situations as their full-time job instead of handling the coffee and th

So, a busy robot coffee shop still has 1 (or as many as needed) staff on to handle those situations as their full-time job instead of handling the coffee and the patrons. The point here is the highly repetitive part of making the coffee is automated. You lower the number of bodies needed.