Now imagine what he could have done if he'd built 50,000 small breweries or 10,000 small cheese factories, or 10,000 bacon processing plants. He could have had beer cheese and bacon for everyone. Instead, you have 750,000 cottages to small to read a book comfortably in.
Sitting in something like that, I'd feel like a sitting duck. You can only see one way. And the hole you shoot out.. people can shoot in. In fact you're at a severe disadvantage, the enemy knows exactly where you are, but can you see where they are? The philosophy behind such structures is difficult to comprehend.
It must have been something to give the army something to do to justify it's existence. After all, soldiers sitting around with nothing to do can't be a good situation.