You're missing the stranglehold of the Weimar Republic, established after WWI, run by "those-who-can-not-be-named." The goal of the Weimar was to drive the final nail into the coffin, by demoralizing the populace and draining the economy. One of the rules of the Treaty of Versailles was a limitation on the number of troops Germany could maintain. Following Hitler's release from prison, and he began gaining in popularity, he made an uncomfortable (and temporary) alliance with a private militia, and this was the muscle he needed to drive the leaders from power and establish the NSDAP. Later, Hitler realized he could no longer align himself with the militia because of power struggles and different goals, so the militia was eliminated during the "Night of the Long Knives."

It was Hitler's unique form of socialism, coupled with his re-establishment of national pride (lost during the Weimar) that drove the economic engine. The difference between the millions of citizens appearing at marches and parades during the Third Reich, vs. those in China or North Korea today, is that the Germans were there because they WANTED to be there. In fact, most citizens of Europe loved Hitler because they realized he was the only force between them and the bolsheviks.