Hackers not very receptive to messages
https://www.bleepingcomputer.com/news/security/dutch-police-post-say-no-to-cybercrime-warnings-on-hacker-forums/
The Dutch Police have begun posting warnings on Russian and English-speaking hacker forums not to commit cybercrime as law enforcement is watching their activity.
Since the conclusion of Operation LadyBird, law enforcement's disruption of the Emotet botnet, the Dutch Police state that they are creating forum accounts on hacker forums to warn hackers that they are watching them publicly.