... I don't think you got my point.
Why must there be a need for 15 extra females? The game itself has already outnumbered the guys with more than 15 females already even if you'll take away the VF cast by DOA6.
More than 15? Dead or Alive 5 Ultimate has currently only 15 including Sarah and Pai, take them out and you are left with only 13. If you don't believe me, fire it up and check it out for yourself.
Also note that there are 14 men in the game, and theoretically you can take out Jacky and Akira, but that still leaves 12 guys to play as. The ratio is only 52% at the present time. Now you might make a case for Marie Rose and said unnamed female, however, if you do that, you have to wait for the console to get the characters. If you count the two characters, your ratio becomes 17:14, or 54.8%. Hardly worthy of the level of reputation the game has. The most you can make a case for is 15:12 if you exclude the VF characters, leaving the ratio at only a slightly more impressive 55.56%.
Your counting skills need work, amigo.
I also take issue with the word "need" as anyone knows you don't even "need" to play a fighting game at all. The world of entertainment is not one that needs anything. You don't "need" a 50" TV to play a game, but it's certainly nice to have. I bet if I came on here and asked for more dudes, like the completely unfair 19-10 ratio (not counting bosses) in a game like Tekken Revolution, you wouldn't say that. So yeah, I think that's B.S. that you brought that point up.