During the quests to unlock flying its stated that flying is only available in HW maps because of the large concentrations of wind aether to use in conversion for flight, concentrations that don't exist elsewhere in the alliance. Its also mentioned during the anima quests that Eorzea has extraordinary amounts of aether infusing the area thats not found in other lands.

Given these, how do you think they'll explain flying craft in Doma? Birds and chocobos are self explanatory but what about the manacutter/reaper/other things?

I'm kinda expecting them to ignore this and just keep going, but I'll be disappointed if thats the case.