This has a brilliant scaling strategy. If McDonalds decides to one day replace half it's workers with terminals, people will almost certainly see it, and it ma

This has a brilliant scaling strategy. If McDonalds decides to one day replace half it's workers with terminals, people will almost certainly see it, and it may impact sales. However here, with the food out of sight they can incrementally swap people for machines, and it'll only affect business if quality dips below acceptable limits.