What this guy said. It simply may be that there aren't enough people who love Giant Bomb (even if everyone gave money) to keep the operation running. I think Jeff's PR-speak sounding so sarcastic was on purpose. He doesn't like PR-speak. We all know this. Noone likes a merger, including the GB guys. But they have to keep the lights on somehow, and if CBS was willing to say "here's some money, please be a good site that hardcore gamers like, unlike our other brand, which has been dragged through the mud!", then that sounds good to me.
Plus, I get the sense that the GB guys hated leaving Gamespot, and never harbored the hate most of their fans do towards them.