Will Joby become the Tesla of futuristic electric takeoff and landing craft (eVTOL) and operator of sustainable air taxi services while having to battle the kind of ferocious nay-saying that Elon Musk did? In some ways it already has, after attracting the unwanted attention of a hostile hedge fund that’s reinforcing its short positions on the company’s stock by circulating in-house research dramatically decrying the activity and revenue targets Joby presented to its investors as utterly unattainable.