If there were anyone who still needed some convincing why Balmung and Gilgamesh needed to be locked, this should about do it.

26,019 people transferred from a server to another.
Balmung absorbed the most players with 2576 players joining it, followed by Gilgamesh with 1559 people coming in.
16% of all transfers in just a three month span went to the two highest populated servers.