How does tu quoque reasoning sidestep an accusation?

Tu quoque (Latin for "you too") is a rhetorical strategy used to sidestep an accusation by charging the accuser with the same or similar wrongdoing rather than addressing the merits of the original claim.123

By responding in kind, the individual attempts to discredit the accuser by highlighting their perceived hypocrisy. This tactic functions as a diversionary maneuver; it shifts the focus away from the substance of the initial criticism and toward the character or past actions of the person making it.241

In the context of logic, tu quoque is considered a logical fallacy because the accuser's own behavior or hypocrisy has no bearing on the truth value of the original accusation. When directed at individuals, it is classified as a species of ad hominem attack, as it seeks to invalidate an argument by impugning the person rather than engaging with the facts. Ultimately, this approach is an evasive technique that prioritizes rhetorical deflection over substantive debate.421