There is a fundamental difference between version 1.0 of any thing and any subsequent version. In the version 1.0, you usually don’t need to give any reasons for your choices. The focus in that case would be in getting the version ready, and you can get away with whatever assumptions you want to feel like.…
arbit, business, work assumptions, bureaucratic hassles, choices, class participation, fundamental difference, inertia, priors, scrutiny, switching costs, trivial change