Writer's Digest has a story "Surviving the Spite" written by Melissa Hart, a journalism teacher at the University of Oregon. You can read it here.
I met Melissa at a SCBWI writer's conference in Portland. She is such a friendly person it's hard to imagine someone being so critical of her. But I guess being in the public eye has its drawbacks.
I haven't experienced such criticism from the public - maybe I should be glad I'm not a celebrity. It's normal to want people to like us; so, it's no surprise that it would be hard to take such open hostility. I just try to remember what my Mom taught me all those years ago, "Sticks and stones may break my bones, but names will never harm me."