Edited later to add:
The original press release seems to be gone now, but here is what is claimed to be the revised release, and an article on the same topic.
https://www1.wdr.de/nachrichten/polizei-dortmund-greta-gewaltbereit-100.html
https://www.yahoo.com/news/german-politician-calls-greta-thunberg-102611513.html
Some Nazis take deep pride in the slaughter of others. They believe in the Vae victis philosophy of having absolutely no rules of conduct other than ‘I am the last man standing and you are dead’ idea.