you're not alone - i cannot stand that stuff.
maybe it's just me, but all the footage i've seen of multiplayer looks like hardly anything has changed (gfx included) for the last five years. i felt like i could have convinced myself it was MW, MW2, MW3, whatever.
Machinima has done a zombie map evolution series. You can jump in on any episode and you'll not be able to tell the difference. It has literally been the same exact engine over and over again.