Well, yes, the specific question is not exactly useful to the vast majority of the people of the world, but I think that's a particularly harsh criteria. And,

Well, yes, the specific question is not exactly useful to the vast majority of the people of the world, but I think that's a particularly harsh criteria. And, I think that's not really the point of the article. The most useful thing came at the turning point, the advice that allowed the solution to be found - "...stop looking at old documents: 'no one writes down the real reason for infrastructure projects.' She said I needed to look for people in power." I think that's pretty good advice, and has obvious extensions that makes it pretty useful.