Maybe it's better that women not be super-logical and able to argue their way through anything. Not that we should be clueless and unable to think for ourselves, but being overly-ready to logically and ruthlessly debate a point practically to the death could lead to having trouble submitting to authority. Obviously women already struggle with being submissive to husbands or fathers, we certainly don't need more ammunition.
We are very emotional, and that leads to irrational arguing sometimes, but would it be better for a woman to be a little irrationally upset that her husband didn't notice her new dress, for instance, or to soundly beat him over the head with concise arguments and facts about how many times he hasn't noticed things, etc.? I'm afraid that if we get in the habit of debating, we're going to carry it to all aspects of life and end up being argumentative. Proverbs 21:19 It is better to dwell in the wilderness, than with a contentious and an angry woman. Yeah, not good.
Take for example, Hilary Clinton...sorry, a bit of an extreme example I know...but think about it. Say she argues illogically and emotionally...scary, yes, considering that she's running for president. Then say she argues with deadly precision and well-aimed logic, like the lawyer that she is...even more frightening coming from a woman. Being the weaker vessels with imperfect logic that we are, we're bound to lose if we argue purely logically, but think how much more horrific is it if we don't lose the argument?
I'm not suggesting that women should be silly and not have an opinion on anything, that's just as bad...they may not have the brains to argue with their husband, but he's stuck with a wife who's not going to be any help at all. Capable of encouraging, perhaps, but not able to help him think through a dilemma.
And I'm certainly not saying all this to pat myself on the back and say "There, there, aren't you just so submissive, you can't state an opinion clearly..."! :) It's just something that occurred to me while I was thinking this over...and I probably do need to work on expressing myself a smidge more clearly, but the submitting part is also relevant in that I need to be submissive to my Dad. And while I'm not called to submit to the other males I know, I need to at least be patient and respectful to them...something that's sometimes hard with some of the people I know, including my little brother! ;)