The Big Boss: Resistance 2 sold about 1/4 of what Gears has sold in the week

[WiiStation360]

Combined with Others sales, Resistance 2 will the the 3rd best launch for a PS3 game ever.

I am confused, can somebody please explain to me why it "bombed"?

PS3 Top 10 Launch weeks

1 2 3 4 5 6 7 8 9 10

GTA4 MGS4 GT5: Prologue Devil May Cry 4 FIFA 09 (Other & NA) Assassin's Creed COD4 Madden 09 PES 2008 PES 2009 (Others)

2,547,973 1,678,814 639,548 519,479 475,799 468,873 444,646 437,312 426,394 415,265