Good point, and one to consider.
I for one will be going public with my identity, since I am already somewhat in the public on other ventures, and have made no secret of my involvement in the success in this project.
Risks could be anything from extortion/kidnapping I suppose, especially if BTS were to blow up, and there are governmental risks to consider...
When Newsweek did that article I was fuming. Image some guys going to "Satoshi's" house and kidnapping his mom and holding her ransom for his billions...