I think she by this point has learned that Stark's not specifically responsible for her parents' death - that it's more something that has to do with him stopping... I think there's even a reference to him stopping his selling of weapons because they cause damage.
Elizabeth OlsenEveryone is always surprised by how old I am. They think I'm older, but it's always been that way. I'm the youngest of four - maybe you grow up quicker because you just watch the big people.
Elizabeth Olsen