Why PS3 sales didnt move softwares?

[Demotruk]

XanderZane said:

Demotruk said:
Aside from Japan, I believe it's well accounted for by the fact that Batman AA launched last week.

Hhhmm.. what does Batman AA have to do with Uncharted, MGS4, LBP, Killzone 2 and Infamous not selling 100K copies this past week? Especially if you are buying a PS3 for the first time. Sure, I'd get Batman too, but I'd get at least 2 of these other games as well.

My point was that it would be viewed as a greater rise if there had not been a significant release the previous week (although there were some slightly less significant releases this week).