Board Thread:General Discussion/@comment-25266931-20161228230634/@comment-4010415-20161230192346

Or... they wanted her to have that kind of personality because it'd be interesting and help diversify the cast, and it'd be out of character and against her personality for her to decide to join the war just because Qrow says they'd stand a better chance if she did.

Her personality and ideals are what drove her to leave Yang. It's not just CRWBY going "We want her to stay out of it so the heroes will be underdogs."

I think Raven is confident that everyone else will win against Salem.