It's design or management thinking versus nuts and bolts engineering. Even if it seems superfluous for a given problem, it has value in generality (eg. broadly

It's design or management thinking versus nuts and bolts engineering. Even if it seems superfluous for a given problem, it has value in generality (eg. broadly applicable to complex project management/planning) and optimization (eg. prioritization of development effort/resource allocation against perceived customer experience impact) at macro level.