I don't see why we have to tiptoe around the fact that most cultures on earth today are male-dominated. If I were a Buddha about to come here and teach I would choose a male form. Buddha's are wise [understatement here]. As I understand it, Buddhas are able to know all things that are knowable, and Lord Buddha explained what to expect in the future from teaching-buddhas.
If this is a horrid or politically incorrect thing to say, I'm sorry. I just don't see why anyone would find it disturbing, it's just how things are. There's been improvement regarding the position of women in society over time, but we've still got a ways to go.
Just my two cents