One problem with your claims is this is pretty well documented as a uniquely McDonalds franchise problem at this point.
Competing fast-food franchises serve similar frozen dairy products, in a similar staffing environment, without their machines constantly being out of service.
This video covered the situation fairly well IIRC:
Competing fast-food franchises serve similar frozen dairy products, in a similar staffing environment, without their machines constantly being out of service.
This video covered the situation fairly well IIRC:
https://www.youtube.com/watch?v=SrDEtSlqJC4