Why does the Advanced Vehicle (Template) rotate in the air by default

Title describes the situation.
That cannot be intended, right?
If you go ahead and create a new project based on the advanced vehicle template, move the vehicle 100 meters in the air, and click play the vehicle will rotate while falling to the ground.

So mostly I just want to know why that is?

No response yet but I can give an update already:
So I was able to completely eliminate this personally undesired behaviour by changing the corresponding PhysicsAsset and replacing the asymmetric collider with a symmetric cube (scaled to fit the vehicle). I am quite content with that now.

Could I have done it another way though?
I still don’t understand why the shape of the collider influences the angular force mid-air.