No, I don't expect them to always behave in a normal manner. But when everything she does is some form of self absorbed, self destructive, self possessed piece of crap, that does nothing but annoy/anger/abuse/hurt her friends (read as "the people who put up with her shit"), I have zero sympathy for any of her problems. They have intentionally made her a fairly despicable person to those around her, which is probably why she's "alone" in E.D.A. Or at least that's my theory anyway. And considering that her behavior is pretty close to reality, in the way she is unstable, and abuses the people around her, then yes I'm going to judge her based on reality. I've known people who act like her in real life, and they were fucking shitbags, so I'm going to view her accordingly.
If they want to give her some kind of turning around storyline, where she stops being a little shit, and becomes a decent person, fine, good for her. I doubt they will, because they've basically invested too much work into her as being the annoying crazy girl trope. But even if they do eventually turn her around personality wise, it doesn't change the fact that right now, she's an unlikeable person who pushes everyone she knows away, because of her ego and other issues. And I have zero sympathy for someone like that.