What if they made it so buffs didn't require a party. As in just boosted whoever is near the caster.
This wouldn't change much, since the player providing the buffs would want to party for training anyway, but it'd be nice for say, wandering around giving buffs to nibs, something I enjoy doing in other games, but can't do because of our clunky party system.
Maybe a toggle buff mode button in the beginner tab? AoE/Party.