It's damage control. They know how damaging it can be when someone learns on the internet that just about everything they've been told about what Russell believed has been distorted to present a fake sense of continuity between him and the modern Society. I know that's one of the biggest things that did it for me.
This way, they can get it out in the open in a controlled, tempered manner, and give people just enough info satiate any curiosity and prevent them from researching too deeply, without having to give the whole story.