Two wrongs make a... *proceeds to do a Costello impression with a lot of "gnaw-gnaw" and "hab-babab-bubabbbuba"*

Cosplaying is wrong. Nazis are wrong. And cultural/historical ignorance is wrong on top of all that. However...

Overall, I think this an exellent analogy of what is wrong with Japan's internationalization today. They do really offensive things sometimes; but they are so darn cute we forgive them everytime.
Credit to Linus and Mutantfrog for reminding me of these pics.