Why do people keep claiming MGS4 is PS3's saviour?

[De85]

darthdevidem01 said:
@eliasg

that doesn't make sense as GEOw hasn't outsold a single MGS

That's not true. According to VGC it has outsold no. 3, and let's not forget that Gears is still selling. I expect it to easily pass 1 and 2 by the end of the 360's lifetime.