It originates from the dilemma in the movie where the protagonist must choose whether to remain in a world of illusion taking the blue pill or to see the world as it really is taking the red pill.
Our mission has never been more vital than it is in this moment: to empower through understanding.
By this logic, thinking about incels purely as a criminal or terroristic threat is a mistake.
Both responses indicate that deep-seated dissatisfaction is an elemental aspect of the incel worldview.