Here, I'll stop being a cunt if you humor this example:

Histrionic personality disorder "isn't real" and was "never fuckin real" by my definitions. Were there people who fit the description? Yes. But it's not a rigorous definition of what's happening. I don't think these studies do a good job of showing it's not metacognition, environmental, or behavioral factors wrapped up into a buzzword. I will respect your wall of links by pulling some examples from them rather than just complaining about the small sample size or where the sample was taken.