This is an old issue I've suffered quietly, and I really don't know if anyone has thought about it at length. I've noticed with AOE spells on DR, that they even affect members of a group. For example; long time ago on an alt when I first started playing at DR. I was grouped with a druid and we were fighting Heimdall, the druid started spamming meteor shower, and even though he and I were grouped, his meteor shower was hitting me as well as Heimdall.
On another mud I used to play, when a mage or spellcaster is leading or following in a group, when they casted an AOE spell, all members of the group would be safe from the AOE spells damage.
My question is: Would this be a considerable or a desirable function to AOE spells if grouped with other PC's or not?