God does not have any grandchildren. Everyone must personally say no or yes. Talking about millennia is simply meaningless.
You missed my meaning. I was speaking of the human race as a whole, unable to learn from history (or warnings in scripture), repeating the same mistakes and entering the same cycle, over and over.
Except this time, it may be worse than any other from the beginning of the world until now, nor ever shall be in the future - borrowing the Messiah's words.