Infamously famous: Should they have privacy?

Have you seen the Numa Numa Dance? It is strangely compelling, isn't it? But what of the guy in the video? According to this article, he is now in hiding and suffering from depression. It raises some questions about cyber-privacy, but it may have other implications. I wonder if the Romanian group has found some considerable financial advantages from their song being downloaded so much, and how one could go ahead and measure it.