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Doesn't your example illuminate why systems of thought like psychoanalysis are useful? We currently don't know concretely how psychological phenomena like consciousness, happiness, selfhood, desire are formed or what they consist of. We know they exist, because we experience them 'in normal human experience'. Analogously, Aristotle did not know anything concrete about how atoms, energy, time, cells in the body worked. But his natural philosophy created a speculative framework to talk about these things, explore possibilities, and try to relate what was known or observed, to what might possibly be true. The potential advantage of modern theories like psychoanalysis, is that today we are able to make a clear distinction between falsifiable scientific knowledge, and other types of statements about the world. Thus, we can evaluate Lacan's thought on the correct level - as a form of philosophy which gives us a way of thinking about certain matters without attempting to provide definitive information. |
Your rather generous interpretation could equally apply to quantum coaching or any other modern fad that is clearly wrong, because even though we don't know everything, it conflicts with what we know.