Do they still have power and control? Or has that been wrested away to the corporations? Are the GB more a symbol now, rather than any true power in the org?
The corporations are shells, only put in place to give layers of protection to the guys who really run things.
Do you really think the president of the [XYZ WT corporation) would do so much as tie his shoes without express permission from the GB?
The GB are convinced, and have managed to convince 7 million others, that God speaks to them and no one else - personally, directly, and explicitly.