It's always the same tune. Nazis? Muh warrior spirit! Imperial Japan? Muh warrior spirit! These chucklefucks? Muh warrior spirit! Yanks in the middle East? You guessed it
Turns out the hard counter for "warrior spirit" is angry peasants and workers willing to fight to expel the invaders from their homes.
Edit: in a way very little has changed over time. Compare this to European knights malding at being taken down by peasants with crossbows and then firearms.
They collaborated with the japanese (and took japanese names, cant be more weeb), then they collaborated with the americans, sent troops to vietnam, etc... If anything, theyre the most cowards in history.
Not once have they fought for their own sovereignity, heck their military (they do forced service btw) is under US command at this very moment.
Read "Patriots, traitors and empires" about this subject if you havent done so.