Earlier quoted context omitted.
I'm not saying it's illegal to "run a torrent tracker". When Blizzard use to (pre 2015) update Starcraft via torrent I assume they ran their own tracker for that, and that was totally legal. Even if there was some way for a pirate to take advantage of the Blizzard tracker. Here it's not the "mere fact that somebody could use your tracker for piracy". It's that you're literally observing that a bunch of old mostly-pir…
> It's that you're literally observing that a bunch of old mostly-piracy torrents are pointing at this domain, and then deciding to turn this domain back into a service which assists in that piracy. He doesn't know if they're mostly piracy or not, all he sees is a hash and the peers.
The police/courts/jury is not obliged to put blinders on just because you would prefer if they did.
The mere fact that the domain name was previously used for this is almost certainly probable cause to get search warrants that will almost certainly provide the requisite proof beyond a reasonable doubt that he has in fact intentionally both committed himself, and aided others in committing (because he knew what the domain name was, or at least recognized it as similar to demonoid and could guess), copyright infringement. And that's without the blog post... (which I assume in the hypothetical where he chose to keep running this he would not have posted).