Dude look at the graph, seriously, look at it, and let me quote you this part as you quite clearly missed it:
Dude, really, look at the graph carefully:
Look careful and notice the timespan taken into account for Nintendo- and non-Nintendo-systems. Notice also that PS3 more than doubles GC in NPD-data according to this. Now look at another graph showing PS3 and GC according to NPD - so basically the same:
Congratulations mazty, you found the most biased article EVER. Thanks for sharing, this OP gives me a good laugh. The next article in the series compares the worst yearly GDP of the US since its independence with the worst of the last 8 years for the Netherlands to show how economical inferior the US is.
Also for everyone: if the WiiU is on the same level as the Wii nothing can go wrong!