[throwaway23236]

That is a good question. I think the university should decide on the "why" and base candidates off of that. And you are are right, much like picking a hire, a best friend, your spouse, there is a lot that isn't quantifiable.

4.0 student who you interview and they come off as a Jerk, they are smart as hell or a 3.93 student who is passionate about learning, wants to be there, and is a humble person. Which do you want affecting your school's culture?