The Irrational Ape: Why Flawed Logic Puts us all at Risk and How Critical Thinking Can Save the World

by David Robert Grimes

A variation of the ad hominem fallacy manifest can be found in tu quoque (‘you too’) exchanges, where the retort to an argument is to accuse the speaker of engaging in the same behaviour. This might be evidence to establish the speaker as a hypocrite, but it does not necessarily diminish the validity of their argument.