If only Zuckuss wasn't put on fat turrets, then you'd have a point...
He's not, by and large. He's put on a jouster with a 360 arc (Dengar - using him like any other turret is wildly missing the point), and a slow, impossible to turn around garbage truck with a 180 arc.
I'm not saying Zuckuss isn't stupid and OP, I'm saying he's not stupid and OP specifically for screwing with 3PO.