[@TheWindel] And she doesn't have to be a mind reader to tell this is not the same Miyu. But it will make it harder to miss.

Also interestingly enough:
Miyu the Honorless Blade's record-
Ruthuria: Fought for the angels until unconscious and captured.
Alt-Signia: Fought for the angels until brain damaged, and then attempted to continue helping but made things worse.
Hohenheim: Fought for the angels until killed, even if she did disregard Juno's orders.
Arcadia: Did not participate.
KC-00032: Fought for the angels nominally, she didn't fight anyone, just stole some machina stuff. Which hey, hurts them a tiny little bit. You can't fault her for not picking a fight with Eos.
As much as she whined, she never actually betrayed them until after losing her memory and becoming a completely different person.