The CBF always complains that it is about autonomy and political power within the SBC, but when you boil it down to gravy, it's about the authority of the Bible and its clear teachings--women in the clergy is one of many departures from orthodoxy...
We may just have to agree to disagree, but you can make doctrinal arguments for slavery and lots of other things as well. I can tell you first hand, we had some serious differences with SBC on autonomy - not just complaints, but real differences on where our missions dollars were spent. I know first hand.