Okay...so we don't know what she might have suffered, then, and there are so many levels of abuse and neglect, and people act and react differently.
I noticed earlier you said you also weren't sure you believed she was afraid of her mother. If we suspect EB was very abusive toward Zahra, very possibly even to the point of death, then how could we not believe another child of hers may truly be fearful to this day of the woman?
I'm just saying that regardless what any of us have been through, no one's situation is ever exactly the same as someone else's -- some people are able to rise above things that happen to them and some either can't or have a very difficult time with it.
Obviously, you very fortunately were able to overcome a lot, but not everyone is able to do that. IMO, it isn't fair to condemn her without knowing what she has been through and how it has affected her life and her own psychological makeup.
I am very sorry that you suffered an abusive childhood. I think there is a special place in hell for people who harm children.