I think thats a very feminist way to think about it (one that Joss employs to no end and I find equally annyoing). The idea that men are uncomfortable about women showing sexuality is endlessly portrayed in media i'm sure but is nonetheless complete nonsense. Mal showed confusion, not un-comfortableness...Jayne showed fairly obvious enjoyment.Totally agree! I love that scene! I find it amusing when women talk about sex around men, and the men get all uncomfortable, as Mal did in that scene. I was sorta surprised Jayne didn't get uncomfortable too, then again we are talking the man who "went to his bunk" after seeing the female client.
In cases like this, I never really understand the confusion. Kaylee is identified from the very pilot to be very open in her sexuality, then its confusing to certain viewers when she expresses this? I can only assume it's peoples misconceptions getting in the way of a writers delivery.
...I'd just hazard a guess that it's the misconceptions that need editing...not the writers delivery.