The rule has not been changed, nor is any change imminent.
Both were pre-2005 CBA. And I’ve said before that I feel the one-and-done is a waste of time for both the athlete and the college. But it is what it is for now.
At the end of the day, there is a reason why football and men’s basketball are called revenue sports. Duke, like all of its peers,will always have a basketball team (and recruiting). Williamson did not “take” an admissions slot from Joe Sixpack Applicant. If he did not attend Duke, another recruit would have.