The Uncertainty Podcast #68 Is Morality Real? - Michael Huemer vs. Matt Lutz
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Jan 22, 2026 
Michael Huemer, philosopher and moral realist who defends objective moral facts via intuitions, debates Matt Lutz, philosopher and error theorist who denies objective moral facts and offers naturalistic explanations. They clash over desire-dependent reasons, whether moral beliefs change behavior, the role of intuitions versus explanation, and how we know a priori truths like logic and math.
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Moral Claims As Projection Of Desires
- Matt Lutz argues moral beliefs are unsupported because reasons for action track desires, not mind-independent moral facts.
- He claims moral experiences are best explained naturalistically by desires, upbringing, and evolution rather than objective values.
Humean Argument Against Categorical Reasons
- Matt presents the Humean argument: moral facts would require categorical (desire-independent) reasons, but all reasons derive from desires.
- Therefore, he concludes moral facts don't exist as mind-independent normative forces.
Moral Objectivity Defined And Intuition Priority
- Michael Huemer defines objectivity as independence from observers and rejects subjectivism and non-cognitivism.
- He insists judgments like "torturing babies for fun is wrong" are initially more plausible than arguments that all reasons derive from desires.
