I wouldn't compare her to Anders.
Anders was a homicidal, whiny ass radical that didn't distinguish the good Templars from the bad in DA2. In his eyes they were all guilty and they all deserved to be punished. Granted, it wasn't ALL his fault. Those were his views, but they were amplified tenfold. I miss the Awakenings charming, funny Anders. Justice ruined everything... And he usually ends up dead in my play throughs because I can't stand his whining anymore. Even if every once in a while you'll get that small moment of the past Anders that was lovable.
From what I have seen, she isn't at that radical stage of 'death to all magic wielders!'. Just stating the fact that, yea mages are feared -- this is nothing new to anyone. As previous posts have stated, she WAS just being tortured -- You can't tell me you wouldn't be a lil' sour at first. We don't know the circumstances of why she was sent in there. You can't really judge what kind of character she is going to be based on such a brief glimpse in a very hostile situation. Even though I wanted to smack her upside the head for killing the son.