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Personal Knowledge Management is Bullshit
The concept of the Knowledge Graph deserves the classification of bullshit because its allure derives primarily from the false impression that it can mechanistically deliver—or substitute for—the brute, linear willfulness that defines all non-trivial writing.
Justin Murphy • Personal Knowledge Management is Bullshit
Software tools and courses can aid intellectual advancement and productivity at certain margins, for some people, but we should be more explicit about what exactly they can help, how they can help, and whom they can help.
Justin Murphy • Personal Knowledge Management is Bullshit
A Signalling Theory of PKMThe reason Knowledge Graphs and other PKM memes are so trendy is that, by publicizing one’s overwrought Knowledge Management System, people think they are showing off their big brains. Perhaps for some people, it sincerely feels like intellectual progress to externalize one’s overgrown web of ideas and one’s arcane system ... See more
Justin Murphy • Personal Knowledge Management is Bullshit

Tl;dr: I think personal knowledge management, in many cases, is a fruitless effort and there are generally only very few cases (see above) in which note taking actually makes sense.