I still find his arguments to be weak; e.g. the section Missing the Deontological Point struck me as anti-persuasive. However Schwitzebel’s experiment makes up for Greene’s lack of argument. Are there any meta-studies of that nature?
Recent experimental philosophy arguments have raised trouble for philosophers’ reliance on armchair intuitions. One popular line of response has been the expertise defense: philosophers are highly-trained experts, whereas the subjects in the experimental philosophy studies have generally been ordinary undergraduates, and so there’s no reason to think philosophers will make the same mistakes… We consider three promising hypotheses concerning what philosophical expertise might consist in: (i) better conceptual schemata; (ii) mastery of entrenched theories; and (iii) general practical know-how with the entertaining of hypotheticals. On inspection, none seem to provide us with good reason to endorse this key empirical premise of the expertise defense.
Sure. There’s Weinberg et al.: