Yes, but a manager could leave for an extended period of time without any real impact. If a doctor leaves the surgeries and treatments actually stop. There are

Yes, but a manager could leave for an extended period of time without any real impact. If a doctor leaves the surgeries and treatments actually stop. There are worker-coops that function perfectly well without a management layer leeching of actual productive people. I mean practically I agree that some management is a good idea long term, and it's most efficient to have specific people for that, but to say that they are as important as the actual workers is ridiculous.