Universities are clubish places. American's like to fool themselves into thinking we don't have a societal caste system but we do and often it is invisible to those on the outside of the "club".
The old confernces, the ones that have been around in one form or another for over 100 years - are clubs.
The SEC and ACC are just like the old southern Cotillion clubs where you present your daughter when she is 19 and finished her freshman year in college. This club formed in the 1890's as the SIAA, this club split off in 1933, and again in 1953, but they are the same club and even though they have invited displaced Yankees, the Yankees' wallets and general breeding were inspected.
The Western Conference is the same old Chicago Club that formed in the 1890's. The children of rich industrialists that supplied WWI and won WWII.
The Pacific Conference is the that same old Chicago Club that moved out to California.
These are the four stable "stable" clubs.
The problems inside the B12 is the merger of the Oil Barons' club and the Midwestern Magnates club did not go well.
The Big East was never a solid club and could not be as it was undercut as a club before it ever formed by the ACC, B10, and the Ivy League clubs.
These clubs, these caste systems - they are real.
This is what those outside the B-5 are up against. This is what is at the root of the anger WVa and UConn have toward the ACC. They see the ACC as a second tier club - not an Ivy League intellectual club, nor a B10/SEC athletic club, yet they see themselves as being snubbed, not by the top club, but by a secondary club and that stings. Then they see Louisville who is the social equivalent of bastard step child get into the club just because she is good looking and recently made money in the new economy.
If I were a UConn or WVa supporter - I would be pissed at the ACC as well. Especially since I know UNC has been a road whore for years and everyone just looks away because she has old money.