we can now say with all confidence that the work of preaching the good news to the entire inhabited earth has been accomplished.
Meh. They already said this.
*** w95 9/1 pp. 17-18 par. 17 Christian Witnesses for Divine Sovereignty ***
Still, that first-century preaching work was merely a foretaste of what would be accomplished during the last days. Looking forward especially to our time, Jesus said: “This good news of the kingdom will be preached in all the inhabited earth for a witness to all the nations; and then the end will come.” (Matthew 24:14; Mark 13:10) Has this prophecy been fulfilled? Indeed, it has.