So, I've been thinking about this a lot.
I'm normally very unimpressed with "antisemitism" stories about chalk swastikas on pavements, or in bathrooms. Big yawn.
I do remember this story because it does take a pretty twisted mind to think up such an act of vandalism. And it's not a spontaneous kind of thing, it's very calculated and designed for the maximum pain impact psychologically.
When people take Jewish symbols and turn them against the Jews, and simultaneously turn the Jews into the Nazis, it's really sick and evil.
So, perhaps these young people will actually learn something from this experience, and from a Holocaust survivor.
This punishment ("sentence") may indeed fit the crime.