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You can be sure you'll offend someone. This is unavoidable in this day and age. Peppa the Pig offends Muslims, Bob the Builder presents patriarchal stereotypes, Teletubbies are satanistic, and NASA...
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#3: Attribution notice added
Source: https://writers.stackexchange.com/a/28855 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/
#2: Initial revision
You can be sure you'll offend _someone_. This is unavoidable in this day and age. Peppa the Pig offends Muslims, Bob the Builder presents patriarchal stereotypes, Teletubbies are satanistic, and NASA is the HQ of _Them_. I can guarantee anything that isn't dead serious about nazi themes will be met with some offense. Satire, though, is mostly accepted. "[The Producers](https://en.wikipedia.org/wiki/The_Producers_(1968_film))" is a successful example where nazi-themed satire was found hilarious by majority big enough that the haters were silenced. Don't _just_ make Nazi references. Make it in a way that's self-conscious, make the awkwardness blatant, lampshade it, taunt the conflict, make some genuinely nice characters really unhappy with the convention, in short - make it comedy gold. Not just a smirk or a chuckle, but a full-belly guffaw power of humor. From what I see now, you're not getting near there. Your text won't be taken as a satire, but as a Nazi apologist propaganda. Subtle humor is a good thing in general, but easily missed, and when missing it hits a spot as sore, you're in trouble. For this sort of theme you'll need broad strokes and approach that doesn't depend on the reader being above-average smart.