The also liked their railroad guns. There was an analysis on the resources that went into them, and what those resources could have been used for - aka X battalions of tanks that were much more usefully mobile for the type of war being waged.
“The also liked their railroad guns. There was an analysis on the resources that went into them”
The V-2 is another example of this. They spent the equivalent of Manhattan project money and delivered a grand total of the power of about two 8th Air Force 1000 plane raids. Raids that they could put together -weekly- by late in the war.
It also bears the distinction of being the only arms program that killed more people making it than in it’s use.