Seems like this would be very easy to do. A text filter looking at the torrent names. I'm trying to figure out how this would -not- be effective... and if the host site didn't do this, why would the court not demand it? Seems like such an easy solution, until someone redesigns the actual torrent clients for encrypted filenames or something.
I'm not worried about Mini specifically, but what if all sites were required to do this? Just hypothetically...