Do you think Germany lost ww2 because its soldiers were too cowardly?

There is a belief that Germany lost WW2 because a lot of its soldiers were too cowardly and many generals and officers disobeyed orders .

Hitler himself beleived this to be the case. But do you personally believe German soldiers were cowardly in battle?
Update: @edgar
i am speaking of the morale of the soldiers not the quality of its armies.
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