[Aether is silent for a moment, trying to think carefully about what he wants to say.]

He's a Harbinger. I don't agree with their methods or actions and I... can't forgive them for hurting so many people. For hurting you.

[Signora is gone though, and Venti is here, happy and healthy, but still...]

On the other hand, I know there's more to them. I know that Childe doesn't like what other Harbingers are doing, I know he loves his family, his homeland... He's not a bad person, but at the same time he's not a good person either.