I could definitely argue it has that, and did for the Holiday season and how would you explain the success of the PS4? It sure as hell aint the games moving that console at this point. ( I personally see plenty of buyers remorse among PS4 owners because of no games to the point where they turnaround and try to sell the thing)
[conspiracy theory]thats another story.. M$ and $ony came together and said how can we bring down Nintendo, and someone out of those two(M$ & $ony) said why dont we release around the same time and make it look like a pay per-view fight and the winner will be both of us. [/conspiracy theory]
or naming it Wii-U where people think its the Wii with a little extras and nothing more.