No one knows who Satoshi is. We probably never will know, and that's a good thing.

CSW has been claiming to be Satoshi and making life hell for lots of people. So it's good that he has been shown to be a fraud.  

 Well, I'm going to venture to say that the developer was deeply offended because the identification issue was kept a secret, which caused years of legal challenges and conflicts between the two groups. Identity.