Tailme - I am not making that statement up on my own, that is a quote from the novella "Elegy" which is the official version of the War of the Thorns and included in the Collector's Edition. If there is a future in-game event, or cinematic, showing the Night Elves fighting back or that the numbers were not as small as expected, I'll be sure to report on that.
This post was from a user who has deleted their account.
@tali - no worries. I think I'd like to keep expanding the Night Elf follow-up posts. I did think it was weird that the tree was relatively new, but apparently most Night Elf citizens packed up and moved there in a few years?