Why are Qu Yuan’s poems so obscure?

Pre-Qin style. Qu Yuan's poems are in the pre-Qin style. The pre-Qin style uses obscure language to express his feelings, which is not easy to understand. Qu Yuan used this to express his passionate patriotism, his love for the country of Chu, and his unremitting pursuit of his ideals. The pursuit and the spirit of never regretting it. Qu Yuan, whose surname is Mi, whose family name is Ping and whose courtesy name is Yuan, also named Zhengze and whose courtesy name is Lingjun, was born in Zigui, Danyang, Chu State. He was a poet and politician of Chu State during the Warring States Period.