You should look at that differently. People from Northern Germany are blunt and direct and don't hide their opinion as much as most people. You may be unused to it, but honesty has its advantages - especially in communication.
Btw, my sarcasm looks differently.
So he merely wrote down in a pleasantly readable format what many agreed to be necessary and his book became more of a rallying point and reference than it was a an innovation?
That's sad, because this was one of the relatively few published works on conventional war theory that got much attention post-90.
Bookmarks