One obvious injury done by accepting the Rational Model is that we mis-educate our successors. We teach them modes of working that we ourselves do not follow. Hence we leave them unaided in arriving at their own real-world working modes. I doubt if this is the case with more senior teachers, particularly those with industrial designing experience. We are keenly aware that models are intentional oversimplifications to help us with real-life problems that are frighteningly complicated. So we warn our students that “the map is not the terrain,” the model is not a complete picture; it may even be
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