On a tangential note, I think this whole discussion arrives from the different perspective on the game.

Storyteller and D&D (specially 3.5) are more rule focused games, focused in world where the world is a board and each being follow the same rules. There, you live or die thanks to a roll of the dice and slight better planning.

M&M and Scion are more narrative focused games, focused in telling a collective story, where things happen and develop in order to advance such story. There, you live or die depending on the narrative weight of your actions. There villains...