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
Feels a bit like a cheater letting their spouse be abusive to them because they feel so guilty for cheating. Germany fucked up so they’re going to let the victim do whatever, even if what the victim is doing is wrong.