Anyone want to fill me in on the logic of this move?

This is my guess as to what the GM was thinking, “Hmmmm, I think I’d rather sign a 4th shooting guard and continue to play Jeremy Lin 40 minutes a game instead of signing a backup point or even a backup big man.  OK so I’ve talked myself into a SG, but our 4th SG can’t be just any SG.  What we need is a ball stopper.  Preferably one who’s a very streaky shooter like Jamal Crawford was.  Oh let’s make sure he is suspect on D and has a bad attitude, things were getting a little too happy around here, we need to make things interesting.  I know, J.R. Smith!”

Last I checked we have Landry Fields, Iman Shumpert and Toney Douglas all fighting for minutes at the 2.  Obviously Douglas is currently the odd man out, but it looks like Shumpert will also lose most of his playing time when Smith arrives.  You know, our best wing defender.  Also a young player that needs to get some run to develop. 

I hope this works out, but I have a feeling I’m going to be waching the game from my computer (not my couch because MSG still has their channel blacked out in NY) and thinking about this post when he’s in the middle of a 2-14 game and Shump looks miserable on the end of the Knicks bench.