[anc84]

Those are about the Abmahnungen, no mention of honeypots.

[yAnonymous]

To get the required log files, they have to seed the files themselves. No other (legal) way to do it.

Swarm information is not enough as it doesn't prove that any data has been transfered.

[the8472]

You could easily download a few chunks from the clients to verify that they are sharing copyrighted works without ever uploading anything to them.