She was manipulated from far too early to "fix" anything, that's how she was raised in order to senselessly carrying out orders.
In our modern times we have religious fanatics, sects that manipulate people into committing atrocious acts and they think it's normal thing to do, kids get captured into "militia" of warlords to fight in their armies too. They rarely come out unscarred...
She does realise what happened to her though to some extent, has own goal for punishing her oppressors but too broken to distinguish good from bad.