I am one of those rare few who have had zero interest in the Harry Potter series. But, that does not mean I hate the books, the author, or movies. Just not my cup of tea, that's all.
I have always been interested in varying definitions of success and failure.
Both success and failure are tied to ego and desire, which is why they seem so incredibly important to most people.
The above link is to an article and video of J.K. Rowling's commencement speech at Harvard; about failure.