That torrent-friendly site does not admit piracy went down, they said they won't dispute the claims. One does not imply the other. They may just be less interested in the numbers game when there's more obvious ways to dispute the report.
It's hard to believe statistics from biased sources as anyone can twist the meaning in many ways, unless the raw data is available to be verified always question any source for or against.
http://www.techdirt.com/articles/201...k-better.shtml
If any of you have 10-20 minutes spare, watch unit 7 of the udacity statistics course. It's a prime example of how you can obtain exactly the opposite results from the same data.
http://www.udacity.com/view#Course/s...2/Nugget/11005
The data used is simplified for example purposes but the example itself was from a real case.