The fact that so many students are able to buy their way into Universities through their parents' money and influence shows how capricious and arbitrary the University admittance system is, and why affirmative action is still a necessity.
That percentage of required minorities is rather small, too, especially if you look at the school in question, UT-Austin, whose law school only admitted 54 African Americans out of a class of around 700 last year.
http://texas.lawschoolnumbers.com/And BTW: the state of Texas has a top 10% rule, meaning any high school student in the top 10% of their graduating class is automatically eligible for admittance at any state University. Thus, the student in question obviously didn't meet this criterion, and is probably not as qualified as she would like to think.