What does it mean that Hu Shi's two butterflies have become jokes?

It was Lu Xun's Qi Jieting's Essays that mocked Hu Shixin's poems with the word "takenism".

Two Butterflies is a poem written by Hu Shi. The work was written on August 23rd, 2006, 1965438, and published by New Youth magazine.

The content of Two Butterflies is: two yellow butterflies, both flying into the sky; For some reason, one flew back. The other, lonely and pitiful; I have no intention of going to heaven. It's so lonely.

Extended data

Hu Shi (1891121kloc-0/962 February 24th), formerly known as Si _, scientific name Hong _, word Xijiang, pen name Hu Shi, word Yi. Famous thinker, writer and philosopher. Jixi people in Huizhou are famous for advocating "vernacular Chinese" and leading the new culture movement.

Lu Xun became more and more prejudiced against Hu Shi and wrote many articles satirizing and criticizing Hu Shi. Lu Xun, a left-wing revolutionary writer, and Hu Shi, a right-wing cultural guru, are at odds and incompatible. Lu Xun's praise and criticism of Hu Shi went through the process from praise to criticism, and from praise to criticism. Even the history of vernacular literature, which was originally known as the "highest alert", was later referred to as "not necessarily good"