that's the point, she didn't give up her feelings...but no one wants to give Minorin credit for giving up her feelings and a chance of being happy with Ryuuji for the sake of Taiga?
she didn't even end it clearly and that's also one thing Ami criticized in this episode.
On the one hand she rejects him and on the other hand she lets him come closer again, instead of making things clear.
basically she is doing nothing for like 10 episodes now...(except for spacing out and not knowing what to do of course, which she hides by making no sense at all)
I think what people hate about her is her attitude in the first place.