is one piece episode 680 filler?

Several former toys run through the streets while demanding to know where Doflamingo and proclaiming their intention to destroy the SMILE Factory. At the factory, three guards watch the approaching mob and wonder what they are supposed to do, but one of them points out how no one can enter unless they have a key to the building.

As several Dwarves carry Artificial Devil Fruits across the floor of the factory, one of the guards notes that the buildings will remain undamaged even if the ceiling collapses on them because they are made of Seastone.