I wouldn't hold my breath.
http://forum.square-enix.com/ffxiv/t...IV-Q-A-Summary
Things like Hamlet Defense and Caravan Security will be considered Full Active Time Events. With this system, many different things will take place in many different places. That’s how I’d like you to think of it for now.
and
http://forum.square-enix.com/ffxiv/t...84#post1761684
There are currently no plans to add any end-game style content for Disciples of the Hand.
So yeah, Hamlet defense was reduced to being either a zergfest or ghost town where you do nothing but faceroll all enemies to death. But at least they have the hamlet defense BGM! Yay?