Here's a hypothetical.
Right now, we have Dame averaging around 27 ppg, CJ at 21, and Nurk at 14.5.
Let's say a change in the offense got Nurk's average to up around 20 ppg, and you had a chance to trade CJ for a wing who would only average 14-15, but would be an asset on *both* ends. Would you do that - or would you want to keep CJ because of the "he could go off for 30!" factor?
This will probably piss some people off, but I would do it simply because I don't think Nurk can reach his full potential playing with CJ - and if he did, CJ would become a problem child.