Stephen A was using PPG which is wrong.
The Suns played at a high pace leading to more possessions per game so scoring would naturally go up on both ends of the court. You have to adjust PPG by possessions to get a true rating which has the Suns at the 13th spot you linked to.
It is Stephen A Smith after all, never one to be shy about bending the facts to make his points. Arguing with Skip Bayless overtime will do that to you