Fair enough. Although this is objectively a pretty well known nazi symbol, I would not expect anyone to necessarily know what it is. But if you were going to get it tattooed, I would expect - of a person with a little bit of a brain who is asking for people’s vote no less - to do some basic research. Also let’s not forget that it being a nazi symbol means that most tattoo artists will not do this, so being in the company of someone who did also speaks volumes.