Joby Aviation (JOBY +4.13%) posted its latest earnings numbers last week, which have given the stock a bit of a boost. However, since the start of the year, it's still down a whopping 54%. The reality is that how it does on quarterly earnings reports isn't going to matter all that much anytime soon. That's because the stock is still very much a very long-term play, and it could take a long time before it has any hope of achieving profitability. Image source: Getty Images.Joby's revenue grew, but it was due ...