What Were the Literary 'Theory Wars' of the 80s and 90s?

Whole-channel inclusion: The Literature Channel (title sample: A university professor's channel of genuine lectures and structured introductions to literary works, authors, and theory, with almost no non-teaching content.; 2 of 3 sampled transcripts read as real teaching); this title passed a strict title check.

A 6-minute video from The Literature Channel: “What Were the Literary 'Theory Wars' of the 80s and 90s?”.

Video by The Literature Channel, played through YouTube's embedded player.