Ideal world and real world
An ideal world does not have to deal with what actually drives people. Design that forgets motivation works only on paper.
There is an ideal world and there is a real world. The ideal world does not need to deal with human motivation and driving factors. In that world, people do the right thing because the plan says so, and incentives are an afterthought. The real world is the opposite. People have drives, distractions, fears, and material wants. Solutions that ignore that fact look clean in discussion and fail in practice.
I keep returning to this when people design education, skill, or social programmes as if everyone shared their own motives. Your personal preference is fine until the work depends on many others. Then the design has to work with what large numbers of people actually want and avoid, not only with what a few idealists would choose in isolation.
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