I'm not a huge fan of her, but I found it strange that most of the players didn't like her. It seemed to me that this was exactly the character on which Larian bet.
Honestly I found most of the initial complaints about the companions absolutely blown out of proportion, in general (and I say "initial" because now people are slowing warming on them and that background noise is mostly gone), but I have to say that she in particular makes pretty damn hard to relate with her openly belligerent attitude.
