All I think it is ment to temper the high expetations that the rank and file have build up because of the pandemic.
That may be putting it lightly. My opinion is that Morris was more or less trying to let the rank and file down easy. It was more like a game show host giving a consolation prize.
"We are not in the last day of the last days of the final part of the last days like Stephen Lett told you. On the bright side, being a Witness is the best life, ever! Just listen to these letters that state that from Witnesses just like you."