G.S. shoots outside to free up the paint, not the other way around like a bigger physical team.. Their stats may be skewed only because most teams have to match their fast pace style by going small, there are only a hand full of teams (Cavs being one of course) who can match their speed while still reaming big and physical.
The reason why teams like the Bulls, Pelicans and the Jazz were able to beat the Hawks and G.S. is because they all had the length and the athleticism to disrupt and stay with those jump shooters while not relying on team defensive schemes like a team like the wiz.
If I were the Cavs I would rotate players like LeBron, Irving, Shumpert, and JR on the splash brothers and make them shoot over them , playing them tight, while daring them to put it on the floor and attack the rim..
The Bulls did it, and not once did they respond by attacking the rim, instead they shot poor shot after poor shot from the perimeter..
The same thing happened with the Hawks when they played the Pelicans.
Now if yall are thinking why not do that to the Cavs also, its because the Cavs would eat you alive if you try some shit like that, playing Irving and James tight in the perimeter would lead them to blow past their defenders every single time..