How do you know it's a German Army War College publication? Reasons for my doubt:
"Ellis Bata" doesn't sound at all like a German name.
There was no War College in Germany in 1923. There were some remains of the Prussian Military Academy, but the Treaty of Versailles forbid work being done there. The academy wasn't reactivated until 1935.
The academy in Prussia isn't usually called "Army War College". However, there are such academies in Japan, India and the US.
The link is from Strategy Page. I have listened to a lot of their podcasts and greatly respect them.
Another month, another rationality quotes thread. The rules are: