[This reply is belated, and not necessarily meant to be directed solely to Emily; Setsuna's just ... putting it into the conversation beneath the last part of it she read before she decided she had to say something, herself, about it.]

Most people, artificial or not, are only made 'evil' by circumstance, not inevitability. If something has gone 'wrong' with a machine mind, it may be more likely the fault of whatever their creators, or parents, decided they had to do to justify their existence to them, instead ...

Not that this really eases the pain of anyone else that person's hurting in the process. But I believe that thinking of it like that makes it easier to help as many people as possible out of such a terrible fate.