If salvation is not possible except thru the Governing Body, however qualified that idea might be, it still would make them agents, substitutes, or 'stand ins' acting for God/Christ.
By definition, they have declared themselves to be Vicars. Collectively, they have adopted a title - "Faithful Slave' - no different from Christendom/Jews doing so, with 'Father', Reverend, Rabbi or so on.
Wrong if one person does it? Is it wrong for two? How about 8 ?
Self elevation for one, self elevation for eight....
metatron