The unseen Charles Dickens:read the excoriating essay on Victorian poverty that no-one knew he had written
I'm not sure why The Independent regards this news as mildly shocking.
This shouldn't surprise anyone who has read a Dickens biography. (I recommend the excellent Dickens biography by Claire Tomalin.)
During his lifetime, Dickens was a well-known crusader for various social causes, most notably the rescue of "fallen women".