I've wondered that same thing before...
One time way back, I found some REALLY graphic KP on one of the affiliates sites... with LITTLE kids, sent it to shok, and we both were slobbering with tears on the phone for an hour franticallly trying to get that shit completely off our computers.
I could NEVER review that shit for a living. You'd have to have very little emotion to do something like that full time OR be a sick perv. I dunno I guess if you believed in the cause and were actually in a position to DO SOMETHING to stop it, maybe...

Those sick bastards don't need an organization to keep webmasters from making money off it. They need a slow torturous DEATH....