Well, I assume we've all met people (particularly since this is a board nominally for entrepreneurship involving software) that did very well in school or in other activities where there is a very well-laid out set of steps to follow and flounder when responsible for picking what to work on. If cmu wants to have high-impact graduates, they may feel they have enough people who dot every i and cross every t and get perfect grades, and would like more of the people likely to be impactful in life.
Because the current systems cant detect our Einstein, Mozarts, Da vinci's or even Jobs correctly;
Creativity is the "next thing" on XXI century, and creative types have hard times following rules, or working well in army-like societies; those people are our underdogs now; the system doesnt know what to do with them; and does not like them (until they create "star wars" or a flying car); so i would say its a joke and pretty much broken