> some models are simplistic Every model is simplistic, otherwise it's not a model, but reality. Societal models (I've never heard of a remotely reasonable on

> some models are simplistic Every model is simplistic, otherwise it's not a model, but reality. Societal models (I've never heard of a remotely reasonable one, aside from psychohistory) have the unique problem where they influence the people they are supposed to model. If your business is societal models, planned obsolescence is part of the deal.