Pizarro has a deep distrust of using disgust as a moral compass. If people rely on it, as they often do, it can lead them astray, he warns. In his class, he offers the denunciation of homosexuality on the grounds that it’s repugnant as a prime example of the dangers of disgust-based morality. “I tell my class: As a heterosexual male, it’s not as if I won’t be disgusted if you show me pictures of certain sexual acts between two males. The task for me is to say: What the hell does this have to do with my ethical beliefs? I tell them, the thought of two very ugly people having sex also revolts
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