Elon Musk’s intention in tweeting the Chinese poem isn’t clear. Elon Musk tweeted an ancient Chinese poem about two brothers who fight out of jealousy, in what some Twitter users said could be an oblique reference to the Dogecoin vs Shiba Inu cryptocurrency spat. The tweet, posted Tuesday by the world’s richest man, was titled “Humankind,” followed by the poem in Chinese. Known as the “Quatrain of Seven Steps,” the allegorical poem is often attributed to Cao Zhi, a member of Chinese royalty who lived between 192 and 232. Legend goes that Cao’s older brother, freshly crowned king and suspicious…