Perspectivism (the theory that knowledge of a subject is inevitably partial and limited by the individual perspective from which it is viewed) is a challenge to extant orthodoxy. Everyone’s point of view is equally valid (and invalid).

Science holds all knowledge as tentative and uncertain.

While people tend to accept this in theory, the metaphor of Facts connotes certainty and permanence, and inspires a fervor often indistinguishable from religious fundamentalism.

The metaphor of Facts thus creates a countercurrent to the spirit of science in public discourse and everyday life.