Why is there so much hate toward Iggy Azalea?

[Refractive Reflections]

So what exactly do people have against her? I mean she makes pop rap, but there have been rap artists before who have done that style of "Glam Rap". Plus I hear the criticism that she doesn't write her own lyrics, but she has co-writing credits on all of her tracks on her album "The New Classic". ...So what's the story on this?