I'm not so sure about the article, It needs further investigation.
By the way, we might have a researcher on our side, if we can manage to hook up.
Adrian M. Viens Department of Philosophy/Joint Centre for Bioethics
University of Toronto (Canada)
http://users.ox.ac.uk/~sann1830/index.html
"I'm a D.Phil student in the Faculty of Philosophy at Oxford University, where I am working on the topic of reasons and practical authority. My dissertation attempts to diagnose and hopefully remedy central assumptions within the literature on practical reason, moral philosophy and legal philosophy concerning how reasons are ultimately determinative in establishing what an agent ought to do. "
I wonder how he would dissect the Watchtower reasoning and judicial system?