Or it's a "proof of concept" device. It can't hold the amount required to be of any use in that instance, nor was it ever intended to. All it was was proof that says, "We can use a machine to hold aether! Give me gils to research this so I can make it better!" They just felt that they had more time. My memory might be fuzzy but I think that at that time no one knew the Midgardsomr had sealed away this "Blessing". Just a thought.