There are several threads in the BST forums for stumble trades and digg swapping. All of these threads have thus far been positive social bookmarking. I'm curious if a bury trade would be allowed, or a thumbs down campaign? It may fall under: within the rules, so I'm asking... Though, personally I don't really see it as a personal attack.
Sounds a bit unethical to me. Here's a plan.... let's all go and bash someone else's website. That's what it sounds like.
... or, let's go bash this article, it's horrible, untrue, and I don't agree with what message it is sending. I'm sure this can be done, it's all in how you do it, I guess....