You can check her out at marianne2020.com You should look at her issues page, or watch some videos on the video page. She has been around for 35 years as a writer, activist, etc. She founded @ProjAngelFood and @PeaceAlliance and has many NYT best selling books.
Yes, I believe people are afraid of her. I think she speaks to the soul and then people realize they are out of alignment and don't know how to process it and end up being cynical instead of enlightened.