Most people have discarded his ideas and success as toxic waste but a lot of people are still drooling over Jack Welch. "A good manager can manage anything!" ...and similar pronouncements. People learned this years ago in the context of unquestioned success. And like the rapidly changing circumstances usually involved with things like communicable disease spread and business in general, these people have not updated their understanding in light of new information and so continue to act on the aforementioned "wisdom."

Who can blame them. They got an A for repeating what the professor repeated.