Elon Musk has come under fire from his girlfriend Grimes after taking to Twitter to share a controversial post on Friday night.The Tesla CEO took to the social media network to claim that, “Pronouns suck,” and was immediately ridiculed by users on the platform for his words.“Who else cringes more and more often every time they see Elon tweet lately?” one person wrote, with another adding: “Pretty disgusting to see from you.