The lesson here is that one element to career success (for it's own sake) is understanding how your performance will be measured, and then working specifically

The lesson here is that one element to career success (for it's own sake) is understanding how your performance will be measured, and then working specifically to 'score well' by those metrics. Companies that understand this can craft incentives within their culture so that employee goals are aligned with company goals and both employees and the company succeed. Companies that have serious problems, like an Uber or Theranos, are likely suffering from inappropriate reward structure, whether explicitly or implicitly defined. The students who avail themselves of professional test prep are getting a life lesson in climbing the corporate ladder. This is one method by which wealth breeds wealth.