That's extremely unlikely, since doing so would also remove Carbuncles as permanent pets, which would infuriate A LOT of people.
Also, it's far, far too late to do so from a story/lore standpoint.
Once again, the most practical/logical solution would be for them to continue adjusting them (especially their A.I. behavior), as well as implementing proper Egi glamours to be managed from a dedicated UI window (similar to how BLU's spellbook works).