"Literally" has taken up a meaning as a signal of
linguistic register. It doesn't mean "figuratively." In this meaning the register is the tone of someone who wants to appear smart, without actually having knowledge. The word is used without regard for the metaphorical character of the phrase, so it's more appropriate to use the word "obvious" as a definition, rather than "figurative." The user is usually unable distinguish between literal and figurative. The use of this register has risen recently as people who are smart appear to have higher status.
Whereas you
are able to distinguish whether a statement is literal and figurative. Your use of the word is because you want to fit in, not because you want to appear smart (because you actually are smart). Thus, when you use it, you aren't even achieving the correct register.
Your analysis of Nazis is a polemic rant, filled with motivated reasoning, which is altogether below your capability; inasmuch as you are actually capable of analyzing a situation in a scientific way, searching for facts to disprove your own hypotheses.
For example.
Don't be an idiot. Republicans are idiots.