If all the GB members do not agree on the matter it is put on hold and revisited at another time, sometimes a year or two goes by.
That is a very revealing quote.
First, it is a lie, since Franz discusses that only a 2/3 majority needs to agree for a new policy to take effect. See a copy of the page at "two third majority." That is why the doctrine can move back and forth so much.
Second, if Holy Spirit directs the Governing Body as a group, why are the not always in agreement? Obviously their ideas are just the whims of men.