The difference is is that calls that happen earlier in the game, there is still time to make it up, at the end of a close game they have a much greater impact on the outcome. Even the announcers were ragging on the calls at the end. Two pretty obvious calls that were wrong that were in favor of UNC put the game out of reach for Arkansas, hence they were screwed. I don't see how that is even debatable to be honest, you must be UNC fan