Automotive investors have been caught up in the whirlwind of electric vehicles (EV) and potentially self-driving vehicles for some time. To be fair, it looks to be a very likely future, at least at some point. That bodes well for pure EV players such as Rivian (RIVN 1.93%), which has made a name for its high-quality R1T and R1S vehicles.But recently, the chairman of a major global automaker had something to say, and it could scare already-skittish EV investors. Here are the details.Enter Akio ToyodaTo add s ...