I do feel like certain topics are so taboo that people don't want to read about it. Anything with a potential stigma attached to it. One of my last hubs, I was told it was too painful to finish reading. I found it a fascinating comment.
It is an art work how writers can draw in the reader with a few words or repel them. The most painful and taboo topics, to write about, can be some of the best learning experiences. If I post a hub and it doesn't "do well" but I know I read it over and checked it to the best of my ability, I know I stayed true to the topics I want to share.