If there is no perspective, then at the very least, the car is about halfway between the middle of the screen and the bottom of it. I care far more about what's in front of me than what's behind me.
What I really hate is that the nav in my Tesla will typically show a perspective view while navigating, but as I approach a turn, it changes to a top-down view and zooms in, often to the point where the actual turn is no longer even on the screen, so I don't know where I'm actually supposed to go anymore.