But they had no idea how to design an assembly process that was quick.
Deshalb haben sie den Krieg verloren.
Yep! Besides of that the political and millitary leadership in Germany was simply crazy. Ruthless brain amputated morons.
Entweder oder, keinen Duesenflieger mehr.
"the political and millitary leadership in Germany was simply crazy."
In the 1980's there was a professor of military history at West Point who had the view that the Allies did not beat the German Army. The German leadership beat it. Ran it into the ground, and as you point out made stupid decisions.