Star Trek isn't about War, despite what the last few movies have tried to depict.
War is an intrinsic aspect of the Star Trek universe, though more as an extension to politics. Whether it's the Romulans, Klingons, Dominion, Borg, Xindi or Cardassians there is always conflict close by. But exploration is equally important, as is morality (typically exposed through the Prime Directive or corrupt / unfeeling senior officers).
The potential for a Star Trek MMO is immense, though I fear it won't capture the magic of the IP. Not only that but what angle should they focus on? I personally think DS9 is the best of all the series but I can't see it converting well to an MMO. It will probably play more like TNG in order to be accessible.
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Founder of the "I Hate Smiley Fitz"
Riley has autism. He has trouble communicating, and in an overstimulating
environment, he can get frightened and run away, leaving his parents frantic. - Auburn
"The price of freedom is eternal vigilance."