do you read your own article?
The study also looked at what they spent on, and, not surprisingly, money spent seems to be shifting to scarce goods -- the things that can't be "pirated." In the music world, that includes merchandise and live, as well as online subscriptions, rather than "buying music."
They are spending money on things they can't steal easily, this isn't helping your cause when its a study that cleary shows people stealing what they can and paying for what they can't steal.
Secondly if you look at this at a gaming perspective, you think developers make they're livelyhood on live shows and tshirts?Going down the music route, artists get a fraction of the price of a sold album. They make more money from merch and live shows. What pirates are doing is spending money supporting the artists like like by buying their merch and going to see them live. This is about gamers though, not musicians, the original argument used sales is worse than pirating games, because pirates buy things, but the article not only isn't related to games but shows that if gamers have the same mentality towards stealing games than one could see this as evidence to contradict the original argument. Gamers steal what they can and buy what they can't then? They buy hardware, and steal software...