RubaDub - "...I just commented that before the GT starts, the UN has to take worldwide power, all false religion will be destroyed, the nations will see that only JWs are left, then Gog (the Magog guy) will focus their attack on JWs. Then at that point, the GT will start..."
Yup, this.
According to ol' Freddy Franz's End-Times script, there's a whole ton of mundane, "real-world" ducks that have to row up first before the real shit happens.
And since the WT Oracle kicked the bucket without leaving any kind of protege, and Jaracz used 9-11 to purge out almost all the moderates and liberals, there's no one with enough creativity or narrative skill to give the Org's eschatology the page-one rewrite it so sorely needs...
...so they're stuck with the Old Cold War-influenced timeline in the Revelation Climax book, no matter how dated it gets with each year we move past the turn of the century (which is probably why it's not actually a Book Study thing anymore).