I used to hate Wozniacki, but ever since her game went down the shitter I've become a pretty big fan
I think people hate her because she kind of represented everything that was wrong with the WTA ranking system for over a year. It wasn't entirely her fault, but for every tournament she won the hate seemed to increase because she still didn't have a slam. Plus her father is such a douche, and people here are way too simple-minded to distinguish a player from someone in their entourage. A lot of people disliked Maria because of Yuri back in the day.
I go back and forth on Radwanska. Her game can be nice to watch but something about her just irritates the piss out of me. She seems to be a nice enough girl though, and it's refreshing to see someone not shout "come on" like 485392951 times per match.
Don't get me started on Azarenka.