I would ask that you try it with at least 2 or 3 hundreds of stacks at the same time, before saying that it doesn't cause any lag.
But if it was true, and not just a "I don't see it, so it should not be, right?", then that means that we don't need that void pipe system for it, and that is great.
But if it was true, and not just a "I don't see it, so it should not be, right?", then that means that we don't need that void pipe system for it, and that is great.