Evidence-Based Bias

The specific bias where one treats "evidence-based" as an automatic warrant for one's position and a automatic disqualifier for others', without actually engaging the quality, relevance, or interpretation of the evidence. Evidence-Based Bias operates when someone says "the evidence supports my view" as a conversation-ender, without acknowledging that evidence is always interpreted, that different evidence can support different conclusions, that evidence alone never dictates policy or values, and that "evidence-based" is often claimed by all sides. It's the bias that turns the legitimate principle of grounding claims in evidence into a rhetorical cudgel.

Example: "He kept saying his position was 'evidence-based' as if that settled everything—pure Evidence-Based Bias, using the word 'evidence' to avoid actually discussing what the evidence showed."

by Dumu The Void March 13, 2026

Evidence-Based Fallacy

A fallacy and metafallacy where scientific evidence is invoked to justify positions that lie outside the proper domain of evidence—particularly bigotry, prejudice, racism, xenophobia, aporophobia (hatred of the poor), and other forms of discrimination. The fallacy operates by claiming that discriminatory policies or attitudes are "supported by evidence" (about crime rates, economic impacts, cultural differences) while ignoring that evidence never dictates values, that statistical patterns don't justify moral judgments, and that using evidence to justify oppression misuses the very concept of evidence. It's a metafallacy because it weaponizes the legitimate authority of science to defend what science cannot possibly justify—treating "evidence-based" as a blank check for any position that can find a supporting statistic, regardless of the values, ethics, and human consequences involved.

Example: "He cited crime statistics to justify housing discrimination—the Evidence-Based Fallacy in full flower, using numbers to launder prejudice while pretending that evidence alone could ever justify treating humans as less than human."

by Dumu The Void March 13, 2026