That picture did not suggest someone is part of the SS but that someone in the Bundeswher might have contacts to SS People. To argue that this should even go in front of a judge is insanity.
Every carnival float in Düsseldorf every year would have to be evaluated by a judge than. Just a RANDOM example: https://www1.wdr.de/nachrichten/motivwaegen-von-jacques-till...
Freedom of speech includes satire. To ignore that is the exact chilling effect I mentioned.