Actually, if you read the article, you'd learn it was a specialized search engine for forums that tabulated discussions about the consoles and used a formula to calculate the emotion reaction in the post either very positive, positive, neutral, negative, or very negative. The points were given the respective number 5, 4, 3, 2, and 1 based on those reactions and then averaged out.
The result is the Wii had more positive discussions than the other two consoles.
The rEVOLution is not being televised