I spent years thinking about this at the time, and wrote up a crystalized super-long "why?" in an SGI retrospective comment on an earlier thread, https://news.y

I spent years thinking about this at the time, and wrote up a crystalized super-long "why?" in an SGI retrospective comment on an earlier thread, https://news.ycombinator.com/item?id=39960660 https://news.ycombinator.com/item?id=39960660 which you might find of interest. Feedback from SGI insiders or pointers to HBR case studies welcome.