Does Darth Vader/Anakin Skywalker meet the diagnostic criteria for Borderline Personality Disorder? This was a questions posed, for some reason, and for an even less understandable reason answered by Eric Bui and colleagues at Toulouse University Hospital in France in what has been described as “a brazen act of arm-chair diagnosis”. Who does this serve? Who does this help – anyone? What is the meaning of this? Does it matter? It might mislead loved ones of those with BPD in unhelpful ways.