While playing the Sins the other day, I thought of something.
The gravity wells are present. And I believe they have some effect on movement (faster to move towards the planet than away from it), but I'm just curious as to why orbital structures and ships don't do just that- orbit. I imagine it would be a tactical pain in the ass when you only need to defend on side of the system, but thats the only reason I could think why it wasn't included. Was it just overlooked or purposely left out? Any ideas?