Manipulative Defaults

Dark defaults occur when preset options serve system interests rather than likely user interests. Choices remain technically changeable, but are psychologically preselected. The user decides formally—the system decides structurally.

Defaults are powerful because they operate below conscious attention. Many users do not change them out of agreement, but due to inertia, time pressure, or uncertainty. The choice appears voluntary, but the framing is asymmetric.

Good UX uses defaults to support users. Bad UX uses them to bypass resistance. The anti-pattern lies not in defaults themselves, but in their intent.