They seem to be comparing the worng games.
Anyone that thinks Halo 3 and COD and Killzone 2 offer same experiences are idiots. Statements like these are hillarious.
"I'm confident that gamers will be sucked into Killzone 2's Call of Duty-caliber multiplayer experience."
and
"Its (halo 3) replay value is high too-even though the game is somewhat dated and not as sexy as say Call of Duty: World at War/Call of Duty 4."
Halo 3 is nothing like COD and is leagues beyond it in what it does. They should have compared COD and Killzone 2.
In any case, a game that is out for over a year and a half is getting compared to a brand new game that is the biggest, most hyped and one of the most expensive releases this year in a biased publication and the new game is barely winning. Shows how amazing Halo 3 really is...