Well, really what ruins them for me is....you will have a really cool firefight going like...in a movie and its awesomely cool and you actually can get a sniper around to flank them or something...but before any of this is possible someone rushes...its just like COME ON DUDE WTH OMG AGH BLURG AEHJDN because almost all of the time they shoot you in the face before you can do anything...this really ticks me off. For the replys i would rather have people explain what ruins it for them rather than just saying RUSHING IS A LEGITIMATE STRATEGY BLAH BLAH YOU JUST SUCK CHICKENS NOOB HAHAHAHAHA, even though i agree rushing IS IN FACT a legitimate strategy...just like camping