Did Maedhros kill Laughter?

[Eorl of Rohan]

Originally Posted by Urwen

There you are-Lalaith is Goldberry!

I'll probably be struck down by a thunder from the heavens for speaking such blasphemies, but I actually like this idea. Impossible, but pretty.
I don't get what her fixation is with giant mutant space geese from outer space that bends the law of time and physics, though.