Doesn't seem that mysterious. Nazi atrocities are still in living memory, and victimized people and countries are still around. If you walk around with an "SS

Doesn't seem that mysterious. Nazi atrocities are still in living memory, and victimized people and countries are still around. If you walk around with an "SS" tattoo, those people are (rightly) going to take it as a personal affront. On the other hand, while people might have strong opinions about a "Molon Labe" bumper stick, there isn't anyone with Helot grandparents who raised them on stories about how terrible the Spartans were to their slaves.