You have to throw out the stats and focus on skill-set with a player like A.J. Hammons, who is too good of an interior defender and too good of an offensive player to not have a 10+ year career in the NBA.
The Big 12 had just two players drafted in 2015, but there's a lot of depth returning with the likes of Wayne Selden, Sviatoslav Mykhailiuk, Taurean Waller-Prince, Prince Ibeh and more.
The Hornets have questions marks all over their roster and there was a significant opportunity cost of not accepting Boston's offer on draft night along with dealing away Noah Vonleh.
A popular and frequently used piece of both of the last two CBA's, the amnesty provision has outlived its usefulness in the current agreement. It appears likely that it will be a part of the next Collective Bargaining Agreement (likely coming in 2017) in some form.
By removing some of their big salaries and replacing them with far smaller deals, the Nets should be able to get under the Luxury Tax. A year after paying over $90 million in tax payments, that is no small accomplishment. To have done it without significantly weakening the team is an even bigger accomplishment.