Barbara argues that we should develop fuel cell cars that run more efficiently with less pollution. But look at what Barbara drives. It's one of those gas guzzling SUVs that pollute like a steam locomotive. Obviously Barbara's argument is worthless.

Question

Quizplus · Accepted Answer

This is an example of the tu quoque fallacy, which means "you, too" in Latin. It is a fallacy of diversionary tactic that avoids the key argument by attacking the arguer personally. In this case, rather than addressing Barbara's argument on its own merits, the speaker attacks her for not practicing what she preaches.

Barbara Argues That We Should Develop Fuel Cell Cars That