After GTA, PS3 and 360 unchanged. Nintendo has this in the bag.

[Bodhesatva]

Step 1: GTA IV is released
Step 2: PS360 weekly sales double worldwide
Step 3: Mrmoney claims GTA didn't change anything

If you simply meant that despite GTA, Wii continues to lead the generation, then of course you are correct and only the most fanatical would have suggested that GTA could literally have turned this generation around in some fashion.

Congratulations, you have defeated Leo-J in an argument.