The article of the same name at Techdirt starts with:
Just a few days after Joe Karaganis posted his response to the RIAA’s favorite researcher, Russ Crupnick of NPD Group, who suggested that Karaganis must be drunk and have little knowledge of statistics to publish a study showing that pirates tend to buy more — and then revealing his own numbers that showed the exact same thing — UK regulatory body Ofcom hascome out with a study saying the same exact thing again (found via TorrentFreak).