Sophistry
No. 03 Fallacy

Appeal to Authority

Treat a claim as true mainly because someone with status said it, not because of the evidence.

A beam balance tipped over by a single hollow mark of status, with the filled blocks of evidence riding up on the other arm. a b
FIG. 3a, the evidence, filled and stacked, riding up. b, the mark of status, hollow and single, carrying the beam down.

Illustrative example

"This supplement must work, a celebrity endorsed it on their podcast."

Experts are worth listening to, especially inside their actual field of expertise. The fallacy isn’t citing an authority, it’s letting their status substitute for evidence entirely, especially outside their expertise.

A celebrity’s fame doesn’t make them a pharmacologist. A CEO’s business success doesn’t make their opinion on epidemiology reliable.

Ask two questions: is this person actually an expert in this specific topic, and even so, what’s the actual evidence behind the claim?

Seen in the wild

Real, sourced instances of this technique in actual public debate.

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