Sadly, I think it's just that we won't see the Songbirds next year.

Personally, I'd love to see something happen to the WoL. I'd love to see my hero on their own for a bit rather then being guided by NPC X and when I say by for a while I mean, stay like that for a patch or something... and not not few quests later and everything is fine. I understand how MMOs' stories work, but I also think breaking the mold is something necessary to create memorable experience. After all, wasn't that what happened at the end of 1.x? The developers threw all kinda ideas since ARR was to launch and it worked wonderfully.

I hope no servers close but I also hope the scenario writers won't get too comfortable with the working formula. Just because it works it doesn't mean it won't wear out.