I hated Lori because she was manipulating Rick and Shane against each other. Andrea is making bad choices in men she likes but that is about it. She is nowhere near Lori levels of hate in my book.
I don't get all the Andrea hate. Because she wants to stay in a town with people, and protection and food and water, suddenly she is a bad person who should die? What has she done to inspire such hatred? I readily admit she has terrible taste in men, but maybe she was like that before the zombie apocalypse too? There are plenty of women out there who like the "bad" boys. Personally, I think she just wants to be with someone who is strong and can protect her. Think about it from her perspective for a minute. She never really had anyone in the group except for Shane. They all left her and while a part of her understands why that happened there has to be a part of her that is hurt and pissed that they did leave her behind. Why leave a seemingly safe haven like Woodbury for the unknown on the road? Like she told Michonne, she doesn't have it in her to do another 8 months like that.
Something that no one has brought up yet is Michonne and why is she so distrustful of Woodbury? One could argue that she is paranoid because she really doesn't have anything concrete to go on that Woodbury is bad. We as viewers and readers of the book know that Woodbury isn't all it seems, but how does Michonne know?