Another case of such a treatement is user Abou Talha that received negative trusts for his avatar. Thought it's true that it is a bit explanatory about the guy, it is nowhere prohibited.
Just Googled it, I cannot believe it. I am already on all the watchlists, but this will create more opportunities for the NSA to spy on me for sure
![Sad](https://bitcointalk.org/Smileys/default/sad.gif)
It seems that the community has found the trust system to be a way to disapprove of unlikeable individuals.