Doing innovative art happens in a painful isolation, the artist does not know what he is doing yet senses what he is doing is right yet society may not be confirming, the artist cannot compare himself and his productions to others, individualisation reaches such a degree that the artist is more or less effectively cut off from the whole despite him being the one who effectively relates to the whole and not the others, communication is impaired, and these alienations may well be resemblant to neurosis. The intensity of the inner processes of the artist (including the permanent (contrasting) juxtapositions thrown up by his associative intelligence) may aggravate the situation into (quasi)psychosis or (quasi)psychotic depression. That is the reality behind so-called „Dichterwahnsinn“ („poet´s frenzy“).
If we push this to further extremes it may come to mind that a lady who knew Kafka said about him that this apparently highly neurotic individual was the only person who thought like a human should think and who felt like a human should feel. I.e. despite probably having an avoidant personality disorder Kafka was completely anti-neurotic. We may call the poet who is completely anti-neurotic and who is the only who thinks like a human should think and who feels like a human should feel the omega poet.
It is apparent that the vision of such an omega poet would be one of a bizarre nightmarish world where nothing and no one is and behaves how it should be, if the way they behave is not needlessly grotesque, absurd or brutal at all. And that´s what you have in the vision of Kafka.