I think the further the org gets from 1914, the more irrelevant it becomes. Many youngsters today don't even know about 1975. They will eventually stop talking about 1914, and concentrate on how near the end is, and how the org is being directed by God's chariot.
They'll focus on their unity, and their preaching activity. Also they will highlight their building projects like Ramapo.
Lets face it, the society has become a huge social club, giving the members a sense of purpose, and direction. Building up trust in the GB, and linking themselves with God. People with little independent spirit long for solidity and a secure future, which they peddle constantly.