I'm as confused as you. There was nothing to hate about her in the story so far... The one thing that was off about her was her being controlled and kept in a closet and that doesn't make her a dislikeable character. I think commenter just hates old women.
GRANNYYYYY !!! I FREAKING KNOW IT I NEVER LIKED YOU!!! YOU LOOK OFF AND WEIRD HELLA SUSPICIOUS!!!! YOU OLD UGLY LOOKING MUG GEEZER OHHH GODD!!