Maybe that’s all he had at the time. Something is better than nothing. My understanding has been guides prefer 12 gauge slugs, Guide Guns etc. I’d carry an air horn and a 45 70 as back up.
Good points but invading Poland kicked it off before the invasion of the Soviet Union. If only Hitler had stuck to building autobahns, Volkswagens, Mercedes, etc and tapping the unparalleled engineering, chemical, physics etc and cultural genius of the German people, how different history would be.