If they'd taboo the word "knowledge" would there be anything left to discuss?
Yes.
If we want to have an AI that knows things we have to be specific about what knowledge is. If we have unrealistic naive concepts we will never get the knowledge into the AI.
If you want an university to teach knowledge, then it makes sense to have an idea of what the university is supposed to teach.
If you want to decide whether someone has depression, than it makes sense to ask what you mean with the sentence: "Alice has depression." Currently it might mean: "A trained psychologist has found that Alice fulfills the criteria of the DSM-V for depression." It would be possible to get saner way to deal with the issue if we would have a better grasp on the underlying ontology.
Based on certain ideas of knowledge people reject certain approaches as pseudoscience because they don't fulfill the criteria of what's believed to be necessary for knowledge generation.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
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