Consequently, it is inessential that an occasion of experience have an aspect in the mode of presentational immediacy; occasions in the grades one, two, and three, lack that aspect.
It affects what we notice and what we don't notice, what we expect and what possibilities we don't consider: we discriminate between what is essential and inessential.
The radical changes it forces on a targeted population can backfire, including the counterproductive result of freeing inessential labourers to fill worker shortages in war industries.