I guess they haven't completely done away with it yet, but from what I learned the waitlist is capped at 60, and is mostly made up of people off appeal. Not sure if only the people initially put on the waitlist can go to welcome day, or if they include people who appealed.
Don't forget that stats aren't everything, how you present yourself helps gauge "fit", which is important to the admissions committee. insideNCSSM - YouTube
This is a good series of vlogs to watch if you wish to know about life at NCSSM.
Well if you saw that he was in the minority, I don't see how that would negatively impact his chances. The demographics of the class of 2011 was a majority white at 54%, then 28% Hispanic/Latino, and in third Asian(which in my experience was a large percentage of the applicants) making up 25%. I'd wager that his congressional district was more of a deciding factor than his race. I"m sure he was a great candidate, but the admissions can be a crap shoot even at NCSSM.