Oh deary, deary me , can open worms everywhere..
If I thought for a moment, that the "Round the Horne" extra- type elves ("I'm Glorfindel and this is my friend Lindor") were a serious depiction of the Noldor at play I would eat HoME. If I thought Elrond sat in a tree singing Tra-lalally, I would munch my way through my equally treasured copy of the BBC dramatisation. The Phantom correctly identifies instances I was thinking of. And there was a crucial "if" in my statement ..... but if we have to accept everything at "face value" then it must be equally illogical to doubt the words of Aragorn at Weathertop and the narrator (Tolkien?) at the council of Elrond, that Elrond was the only one. Just becasue you live though something- it doesn't mean you know the facts - and Glorfindel spent a long time dead
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Tales do change in the telling, Elves do forget, millenia have passed since events noone actually witnessed took place.... every story anyone tells is selective, newspapers daily make gross errors of fact (as you discover if they ever write a story about anything you actually KNOW about). And I repeat, I never said that a talking sword was impossible.