Various organizations have for decades now been moving away from the traditional model of hierarchy. The basic idea is that instead we want autonomous teams, which work together to achieve goals versus the old model of having groups of people performing individual tasks.
It would seem like it would be a good idea to be the good student and do your homework. And to a point, yes. You should have some idea of your characters background. On the other hand, too much detail can be a huge detriment.