What is the enlightenment of Tao Yuanming's fourth drinking?

In Tao Yuanming's Drinking Four, the author uses bluegrass as a metaphor for his talent and virtue to express his transcendental ambition. Among them, "Xiao Ai" is a metaphor for officialdom speculators and traitors. This poem has far-reaching influence and still has its ideological value. Its practical significance is self-evident ~