A recent survey had some data that should make Tesla investors pause. But not so fast; let's dig in.Tesla (TSLA 3.59%) has already accomplished what few thought possible: It almost single-handedly advanced the world's evolution to electric vehicles (EVs). It made owning EVs cool -- even sexy -- at a time when previous EVs were inspiring very little.Early belief in Tesla could have been described as a leap of faith. It's somewhat similar to what its investors face today: a leap of faith that the company's fu ...