One has to remember, however, just who she's going up against here - Osborn's boys. She has deep personal reasons for being a bit grim 'n gritty with them - they've threatened her, her family, even her unborn child. I mean, even Superman went a little crazy when Luthor seemingly killed his parents - this is a line you do not cross. Furthermore, there's self-loathing involved here - up until recently, she was a willing participant in this system, thinking that her side was in the right. Now that the corruption has been unearthed - well, she's probably feeling a bit ashamed. Overall, I'd say it's perfectly understandable that she's going a little nuts - she may be going a little beyond the pale, but it's not like we can't understand why.