I remember hearing that the allies had a similar plan. They air dropped a ton of extra large condoms, but labeled them small/medium so the Nazis would think their enemies are packing the meatiest of girthmeisters to ever exist
Then there's this one that even the US government looked at, and said, "alrighty, we might not wanna do this one even though we totally could. Good work boys, mothball it."
After the porn bombardment didn't work, the axis powers considered a German porn bombardment, which was quickly rejected as even Hitler thought it was too cruel
You know, this really makes me appreciate how far drawn pornography has advanced in such a relatively short amount of time. folks just could not draw titties a hundred years ago.