The originating emotion still clots the lines or, in striving for originality, the work becomes muddled, pretentious or incoherent. The incomprehensible can always be taken for the profound of course, and much no doubt gets published for that reason, but only the beginner will see publication as the sole purpose of writing. The starting point of criticism is the analysis of the reader's or listener's response. Writers need to know what's been done before, and how comparisons may be objectively undertaken. Then there is literary theory.
Poetry is a dense and compact medium.
It is also an art form, serving no practical end. True, the answers are hard to arrive at. Humanism believed in the perfectibility of man. New Criticism had a simplistic psychology. Structuralism drew up fanciful analogies between literature and society.