Why are you defending the controller mass pickit function?
If the person knows right where to stand, say directly south right under Baal’s feet, and they have a completely empty inventory, they can spam the button so quickly that they can pick up all the loot in like .15 seconds. Literally all of it. Their character doesn’t need to move to be in range to pick all of that up if the person stands directly in the middle of where all of that is dropping.
That controller function is essentially a legal hack script. They need to figure something else out for controller players.