It doesn't. People saw the news of the HUD designer being hired by Tesla at around the same time the Model 3 was announced and jumped to conclusions.I don’t disagree with your interpretation but why does spaceship = HUD?
https://s-media-cache-ak0.pinimg.com/originals/7f/3a/06/7f3a0677379e7ebf6fe8471f2df9d4c5.jpg Just a big screen, a few virtual buttons, and a big dial in the real spaceship.