One supporter noted that he thought that they would be a little more discreet about spending so much time on websites. The point is not to be covert, it is to let you know that they are watching. This is an attempt to "mark their territory".
I knew some people who had a cat that kept spraying the furniture. I don't recall if they had it neutered or put down, but they finally did something that left them free of the mess and the stench.
[More about BATFU and Red's Trading Post from WarOnGuns]