So, binaries, warez, images, and the like? A backchannel to download papers from sci-hub? Or are people using Usenet as a way to send encrypted messages in a

So, binaries, warez, images, and the like? A backchannel to download papers from sci-hub? Or are people using Usenet as a way to send encrypted messages in a way that makes traffic analysis more difficult? (If 50,000 people download everything to a group, and post encrypted or steganographic message to that group, then it's easier than seeing that X sent an email blob to Y.) Or, Usenet as the new numbers station?