Why did Zhang He's Moonlit Night on a Spring River cover the whole Tang Dynasty?

Everyone has his own evaluation of poetry, but it doesn't mean that someone's evaluation can stereotype some poems or some poets. Therefore, it may not be as reliable as the first time in the history of American ci. I don't think it dominated the whole Tang Dynasty, but the source of this evaluation may be this: Zhang's "Moonlit Night on a Spring River" has a unique style and is suitable for everyone. -After Wang Kaiyun, many people commented on how this poem was "first", which is understandable. Including each of us, we can also choose our favorite poems. On the other hand, in this case, this poem is definitely good, but since this question is asked, it is definitely not to discuss whether it is good or not, but whether it is the first. In fact, there is no comparative value between different poetic styles. For example, taking a moonlit night on the riverside and a random poem by Lao Du together to say who is good and who is bad is probably teasing. Even comparing the poems of different poets may not be of comparative value. For example, Xu Dingmao is not as beautiful and elegant as Han Xiang, and Han Xiang is not as mature and calm as Xu Dingmao. So in this way, where is the comparison of the whole Tang Dynasty? Compared with who founded the whole Tang Dynasty and those poems, I don't think Wang Kaiyun himself can tell why. Then someone may ask the Lord, what do you think of this poem? This poem is still very good, and it was not easy to have such a work at that time. Personally, I don't think it can cover the whole Tang Dynasty, but at least it can cover similar poems in the early Tang Dynasty. This is a Yuefu ballad, but there are not many seven-character ballads in the early Tang Dynasty. The most famous ones are Lu's Ancient Meaning of Chang 'an, Mourning for Chinese Pulsatilla and Guo Zhen's Gu Jian. Moreover, this poem should still have a certain upper hand in the comparison of these poems (but not necessarily higher than these poems). For example, Hu Yinglin in The Ancient Meaning of Chang 'an has the reputation of "seven words are long and extraordinary victory". Isn't this similar to the meaning that seven ancient poems overwhelmed the whole Tang Dynasty? )。 There is a comment in Hu Yinglin's poem: Zhang's Moonlit Night on a Spring River was published in Pulsatilla smoothly and tactfully, but it can't stand the test of generations.