Fantastic post. A question Coach? Kansas and North Carolina. Poor shooting teams. Certainly UNC. I somehow see way better spacing in those teams' offensive attacks. Surely teams are playing off of them because they are daring them to shoot. Have you watched them play? Is it just that Paige and Wiggins are elite and they can get their shot off against anybody? More players who can create off the bounce than SU? Better teams to be running ISO sets for?
Good question. These teams employ vastly different offenses than SU's.
North Carolina generally runs transition offense into secondary offense that is motion-based. Hence, their players are likely instructed to fill spots that are between 15-20 feet apart, and then to pass and cut and/or pass and screen away, filling these spots. They mix in occasional ball screens, which most offenses in modern pro and college ball do. When a motion team has strong players, such as Paige and McAdoo, those players use their fundamental skills and athleticism to create within the flow of the offense. Motion offenses are beneficial in that they are easily adaptable to specific players strengths. The key is that the players must keep spacing, must execute solid screens and cuts, and must be unselfish with the ball.
A major drawback of motion offense is that some players are better at being unselfish and at reading defenders than others. Another drawback is that the ball often ends up in the worst shooter's hands in spots where he will take a shot that the coach doesn't want. The offense, in its flexibility, lessens the control a coach has on who shoots what shot when. Finally, if all of the players in a motion offense possess the same skills (dribble driving ability, but no outside shooting; cutting ability, but little screening ability), the offense will quickly clog itself up.
Kansas runs a combination of offenses. Coach Self is most known for his 3-out 2-in high-low offense. This offense is a continuity motion offense. Once they learn the pattern, it is almost impossible for players to screw this offense up. It is designed to get the ball inside by popping a post player to the top of the key to make a high-low entry, but uses nice screening action to open shooters. What is great about his offense is that it utilizes the big men well and has sound counters to different strategies built into it. It also stresses ball movement--the players' motion is all based on reversing the ball side-top-side. Again, a player like Wiggins can actually use his athleticism within the offense effectively, as it contains several screening situations to get the ball into a strong player's hands in space.
One drawback of this offense is that less experienced players often play "spot basketball"--they are more worried about completing the next step in the pattern than creatively probing the defense for opportunities to score. Hence, the ball and the players just go around in circles with little meaningful activity. Another drawback is that, based on the post players' movements, there is often not great spacing for dribble penetration.
Because of these issues, Self also uses a ball screen continuity offense that allows his players to probe the defense off of the dribble. It literally just repeats side ball screens from one side of the floor to the other until the defense makes a mistake. The key here is having the proper personnel with great fundamental skills--guards that can dribble and read ball screens well to make the proper reads and distribute the ball accordingly (including that they are the first scoring option on the play at all times), a small forward that can shoot the ball, a big that can play out on the perimeter to set the ball screens and then pop, and a post player that can play on the weak side, looking for dump offs and offensive rebounds.
One drawback of any ball screen offense is if you don't have the personnel described above. Another drawback is that it can promote a lot of standing around on offense. Players need to learn to read the defense and move appropriately to get open.
The drawbacks of any offense include the inability to make shots, the inability to handle the ball, the inability to pass effectively, the inability to properly maintain spacing, and the inability to make the proper reads and counter what the defense is doing.
I hope this helps.