Or courses have gotten so easy and grading has gotten so soft and they are paying for enough help that they are doing well. Athletes who have much lower scores are doing fine because they know which courses to take, have tutoring, professors go easy on them, and they have access to archived old exams which sometimes aren't changed from year to year.
My point is that the school could never make an objective case that the kids weren't qualified to be there.
If these weren't wealthy people with a lot to lose, they could have fought the charges and exposed the whole college admissions process as a scam. Just drag up one retarded student after another to the witness stand, then have the admissions officer testify to a jury how the hell they were ever admitted to the school in the first place.