Noam Cohen is the author of The Know-It-Alls: The Rise of Silicon Valley as a Political Powerhouse and Social Wrecking Ball. He lives in Brooklyn, N.Y. Elon Musk has a roster of A-list enemies befitting a Master of the Universe: Joe Biden and Justin Trudeau, Stephen King and Mark Zuckerberg, the U.S. Securities and Exchange Commission. Then, there’s Wikipedia. For months now, Mr. Musk has obsessed over the project, saying that it politicizes science and has a left-wing bias. Wikipedia? More like Wokipedia, he snickered. At a recent panel discussion on AI, Mr. Musk took a detour to expound on...