I recently finished the series (and loved it, by the way), but one thing started bugging me after I had pondered on the amazing anime I had just finished. Why is Death the God of Death? I don't mean how did he get the position, I just mean why was the character made in the first place. He does not fairy souls to Heaven or Hell, he doesn't do anything God of Death-ly, really. None of his actions in the anime directly depend on his position as God of Death (which is a pretty dramatic position to give a character.. it should mean something!), besides being an authority figure. Basically he could be in any other position, or carry any other title or authority and the series would have ended up exactly the same.
I don't know what his position as God of Death contributes to the overall narrative, really. Please tell me I'm just being stupid and/or I've overlooked something?