PC gaming is still dying, and MW2 is part of the problem. did you not yet notice you are playing a console game on a PC, not a PC game? have you joined in on the 9v9 max, unmoddable, P2P room-to-room-fun multiplayer?
EDIT nevermind, i forgot what the EA rep said, about the significant changes made for the PC version... MOUSE CONTROLS, GRAPHICAL OPTIONS, IN-GAME TEXT CHAT...
L4D2 isnt helping either. valve releases a great game, with which they promise all sorts of new content... LEVELS, CHARACTERS, AND WEAPONS... what happens? a year later, they re-release the same thing, but with different LEVELS, CHARACTERS, AND WEAPONS... and charge $50 all over again! fans get mad, so they release HALF of ONE level for all those suckers that bought #1. split community, etc.
its funny that the type of games keeping PC gaming alive are not even making much money. quake live, for instance.