That's really true. It's odd, because I almost recoil at the thought of writing a female character as a male because I feel like it would imply that the female character would be ... better as a man. Which is silly, because that's another kind of double-standard.

Reading back over what I wrote, I was careless in the way I talked about canon female characters. I meant to lay out why the reason: 'a lack of well-written female characters' was not really viable for me in motivating genderswap, but got sidetracked, which is a flaw of mine.

I think precisely because genderswap is so politicized that a lot of people try to skim over the heavier aspects of the subject in favour of humour or romance. Which is why there are those few, shining examples of what makes great genderswap, and those usually involve consideration of those things you mentioned, of gender roles and the way the change impacts not just on the universe or swapped character, but also pre-existing characters, both male and female.