One crafting feature SE needs to borrow from WoW..

[SamSmoot]

Even though WoW only has two storage locations for crafting materials, they're combined in the crafting interface, so you can make stuff no matter where the materials are stored.
This feature was added in 2014 I think.

FFXIV has many different storage locations, and I often spend 30+ minutes before beginning the gathering phase searching my inventory for items and dragging them into my primary storage.
We could really use this here, but I suspect it would be such a coding mess that it would blow the game up if they tried to add it