https://www.google.com/maps/place/Naval+Amphibious+Base+Coro...
Showing a symbol is very different from endorsing the "ideals" behind it. I'm 100% against fascism and nazism, but if we make illegal or even mark as unsafe showing their symbols, how do we let children watch documentaries about those atrocities before their brains are caught and ruined by the neo nazi/fascist propaganda?
Either way, freedom of speech doesn't automatically make all allowed speech into SFW speech.
In my country and my working environment there'd be no risk for me whatsoever.
Why is it that much NSFW to read an article that describes the technical merits of a game where the player kills Nazis?