[DeNile]

With choice of all options, easy to learn what options suits your game play. No wasting buying things then finding out it is not what you thought it was.
Also a way to see the accuracy of each shot. Bullet speed, range and drop to get leading a target down.
Vehicle test to see handeling or use.
Flight without preditorsm to get your skill up before you get into combat.
Effectiveness of defensive armor against offensive measures.
Could be used as training field of squads develop stratagies skills and command.
Using existing buildings and terrain could be used. Instead of creating new.
Learning how to fly as light assault could prevent foolish mistakes.
If as the game changes to see how each tweak really works.
If you are going to spend time and money, you need to get the best bang for your buck.
Lots of options to help both nubies as well as vets.