It always doesn't know the answer, there's no branching possible, so no need for a branch test. By your definition that makes it a "true subject matter expert"

It always doesn't know the answer, there's no branching possible, so no need for a branch test. By your definition that makes it a "true subject matter expert" on every subject. Although if you squint a bit, it does look rather like a plucked chicken. https://commons.wikimedia.org/wiki/File:Anonymous_-_Diogenes_brings_a_plucked_chicken_to_Plato.jpg https://commons.wikimedia.org/wiki/File:Anonymous_-_Diogenes...