Quote Originally Posted by Jennestia View Post
Betas are games with none of their completed feature implemented
Actually, betas are games with all of their features implemented when all that's left are bug fixes, balancing issues and other minor tweaks.

MMO's undergo larger changes than most games post-release though in order to keep the attention of their players.

You don't see WoW players calling everything pre-Cataclysm a paid beta. FFXIV was just forced into major changes earlier than most.