Promotion should be based on whether an article would be valuable to random first time visitors from the wider Internet. These articles should be +5 Informative, at least somewhat relevant to the ordinary life, and readable out of context.

Are You Anosognosic is a question the community. A random visitor must read several articles to know why are you asking that question, and what is it all about.

Incidentally, Sayeth the Girl shouldn't be promoted regardless of its score because it's meta. Random visitors are unlikely to benefit from it.