In other words it's the job of the commander in chief to take in a whole bunch of ideas from their generals and they have all sorts of ideas and pick the best of the option, early on at least tactically he seemed to pick well, but his decision making was worse with time Guderian and Rommel were both strongly against attacking Kursk, but other generals won him over.
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But again, that's not what the option says. It says quite specifically: "Did not listen to his generals' opinions and advice". If we take that to mean doing, well basically what he wanted over what was recommended then you can't have it both ways. Either he should have listened in France, which results in disaster, or he shouldn't have listened in either case. Listening to the opinions of generals and deciding doesn't show stupidity. Bad judgment maybe. Insnaity, probably. But not stupidity.
I mean, this is Adolf freaking Hitler we are talking about. There's plenty of stupid you can lay at his feet*, just not this one.
*Takes a deep breath:
Tiger I, Tiger II, the Mause, the Elephant, V-2, V-3...I think you get the point.