But, if that sample set had been pg or "similar", it would have been received differently.
An entire industry exists that seeks to impart "life wisdom" based on a sample set of one. I've long been over the "here's how I do it, so you should too" books/advice out there, irrespective of the source. But, most people gobble it up if the author is perceived to be successful.
However, when the author is "just some guy like everyone else" it tends to come off as preachy and of limited value.
But, let 'ol James strike it big, and his books on minimalism will sell out.