It's a private institution. So long as it doesn't accept public money or break any discrimination laws, it should be allowed to keep its admission process private. Does anyone honestly think George bush was admitted because of his grades? Let's find something meaningful to be outraged about. We are never going to win this one and it's not worth fighting.
Financial aid (FAFSA) is a federal program (meaning public tax dollars are used to keep it running) that channels a lot of money to all schools, including the Ivy League.
I'd argue in a court of law that assistance to their student body should be cut immediately if they don't open up their record and policy books. We can proceed from there.