Frankly, there isn't even a lot of common ground between homosexual men and homosexual women.
This is about image more than it is about being repulsed by another sexual fetish group's turn on.
Almost all of those going under the knife for "sex change" operations are doing so for cosmetic reasons. Is it really a "sex change" if your chromosomes remain the same?
A male or female born with ambiguous or even duplicate/complimentary genitalia still has a single chromosonal identity.
Those who change their sex don't suddenly menstruate (although the hormones could cause them to lactate, I suppose). Neither change suddenly produces a seed or egg where there was none before.
It is as possible to change one's sex as it is to change one's race. IMpossible.
Never tried to imply it was. Like I said, the vast majority of people who do it suffer from some kind of mental issue.