There are so many admin issues in this game that seemly only exist because Larian developers either:
1) Love pointless soul-sucking admin as a game element.
2) Prioritise multi-player mechanics over a single player experience.
I think in this case we're looking at #2.
Well.. not entirely serious. I think they will improve this a bit. I imagine a lot of the reason is due to the changes they've made to supplies generally, and the management side of it has yet to catch up. Or at least I hope that's the case.