Hitler always interfered in military affairs after 1941 and gave no freedom to his Generals. The Allies worked the exact opposite way.
We know who won the war.
Hitler on the other hand distrusted his Generals and they distrusted him too. Halder, von Kluge, Witzleben etc.
A leader who lacks military knowledge or history and yet regularly interferes in Armed affairs is a very dangerous thing for a nation.
Within the Division - Regiment, the officers used to joke about Hitler and Nazis.
The all-conquering army group (Sixth Army) that had the strength of 345,000 elite men was annihilated at Stalingard. Only 4800 survived the war and were destined to see home (Germany) again after the war.
Any nation which has messed with them, has always paid a huge price. Learn from History.