Celebrimbor is annoyed at the suggestion because men are the worst and asks Annatar/Sauron to let it go. “Much of the misery of men is of their own making,” he tells Annatar/Sauron.
That is the plotline of Sauron (Charlie Vickers) transforming from Halbrand into Annatar to fool Celebrimbor (Charles Edwards) even after Galadriel (Morfydd Clark) told him not to trust Halbrand. In ...