From a research POV ... the study focussed on exactly three cherrypicked, successful artists. It's a very small sample from a very different time and culture th

From a research POV ... the study focussed on exactly three cherrypicked, successful artists. It's a very small sample from a very different time and culture than today. Can a conclusion with relevance to today be drawn? If the goal was to give anecdotal hope or inspiration to the average "sad" person today, then this is interesting. :-)