Another place where thinking about the "how" of a tidbit makes less sense than just going with it. As mentioned in another thread, apparently the Warrior of Light came back from the 3.0 conclusion and just told everyone and their mother that an ancient Allagan floating continent swarming with Garlean soldiers and the Emperor were hanging out in subspace, and despite this there's no dedicated attack force, swarm of Alliance activity, or anything else that might make sense in a time of war.
Instead, the merchant sends her ex there to bang out a weapon she can't sell.
Instead, the merchant sends her ex there to bang out a weapon she can't sell.