Why not just have completely open casting for every role and hire the best actor for the job?
Because while it
sounds good, thanks to longstanding
systemic biases favoring certain groups and disfavoring others—both within the casting process itself
and outside of it—this doesn't lead to anything approaching equal and/or fair representation on its own. There are too many pre-existing disparities in the system and surrounding society for it all to just work itself out by itself without making a concerted effort to actively counter them.
And yet it would be unreasonable to assume that Kirk had a brother before “Operation — Annihilate“
Not that it diminishes your actual point in the slightest, but just to be accurate, we first learned about Kirk's brother earlier in "What Are Little Girls Made Of?" (TOS).
The point is to leave enough room for writers to develop a character further in an ongoing series.
Gender identity,
whatever form it may take in a given individual's case—fluid, non-binary, and questioning varieties included—is too important and central an aspect of one's character to just be retroactively imposed later as an afterthought. (By which I mean in no way to suggest that it should be
fixated upon or portrayed as being of
prime significance above or to the exclusion of all others when it comes to any particular character, just that the approach to writing characters in general
shouldn't be: "whatever, it doesn't matter, leave it undefined and we'll decide later.") Doing that with sexual orientation, while probably not ideal either, can at least
potentially be
less problematic, because that aspect can more plausibly not come up until a situation calls for one character to show romantic and/or sexual attraction/interest/partnership—or the lack thereof—toward another. (Not to say that it
can't or
shouldn't come up outside of that context, and not to minimize the importance of diversity being openly and visibly represented on that front, either.) But concepts of gender exert an influence far beyond just the arena of sexuality. (Again though, not that they "rule" or control
everything about a person, naturally.)
That doesn't really work unless you ignore the realities of the setting.
Because with the Federation's medical technology, even at the original series level, the problem would be discovered and corrected either before or shortly after birth. Meaning with a realistic portrayal there would be no traumatic experiences, identity problems, or any detectable differences period from your statistically average person.
Wrong, unauthorized genetic enhancement is illegal.
Using genetic engineering to fix birth defects and genetic diseases on the other hand is very specifically legal. As is Federation authorized genetic enhancement.
You're ignoring
other potential "realities of the setting," such as the possibility that such traits might well
not be viewed as a "problem" to be "corrected" at all. In a society where everyone were more accepted by, and accepting of, themselves and others
as they are, each with their own unique body, free to define their own individual identity as they please, instead of one that assigns and enforces particular "norms" or "roles" to delineated "types" within a limited set of defined genders, there might well be a far lessened sense of "dysphoria" among those who now experience it. The biochemistry remaining the same, might the psychology and sociology not evolve to better harmonize with the fact of it? Might not whatever "illness" may
arise out of being trans have far less to do with
genetics than it does with being
made to feel one isn't in the "correct" body/mind with respect to society's
expectations of how those two elements are "supposed" to go together, in contrast to one's own internal concept and image of self? To the extent that it's a "problem" for people today, might this not be largely because we
make it into one?
Granted,
Trek has a long way to go toward actually portraying such a hypothetical future where the above concerns aren't still in play—much as it has with respect to other forms of diversity—but the idea of somehow systematically engineering such a "condition" out in the womb seems to me even
more out of line with what
has been portrayed. (To say nothing of the pseudo-genocidal undertones in such a suggestion!) Bashir's severe learning disability pointedly
didn't count as one of the "serious birth defects" that exceptions to the ban on genetic tinkering could be made for. What reason is there to think this
would?
In the US, between 1 in 200 and 1 in 300 people are transgender. There are 5 main characters in discovery.
I never quite understand what point people are trying to make when they mention this. That a certain demographic exists in proportionally small numbers within
society at large can often be one reason which leads to them being underrepresented and misunderstood in the broader conversation and cultural narrative in the first place. So in spite of how it's usually intended, this is actually an argument for why in such cases statistically
disproportionate over-representation in media is actually
more fair to these groups, because statistically proportionate representation just leads to them remaining marginalized. (Of course, there can also be many factors
other than lack of sheer numbers that go into a subset of the population being marginalized, as well. Just look at institutionalized slavery, segregation, and mass incarceration, for instance.)
Whatever the majority or perceived "default" (the two
don't always coincide) may be in a given context, it's often that which
deviates (in the non-pejorative sense) from it which deserves further exploration and examination over retreading the same all-too-familiar ground. I hope my use of the following
analogy doesn't read as overly paternalistic or dehumanizing to trans people, as I fear it
could even as I type it, but think about endangered species; the fact that their representatives are relatively few in absolute number is
precisely what makes them so vulnerable as groups, and exactly why they need active
protection from threats in order to
not disappear completely. And the more attention is directed toward and focused on them (and the threats they face), the more likely it is that they will receive such protection.
(I debated with myself overnight about whether to post this or not. Apologies to
@Awesome Possum and anyone else if any of these comments are off the mark or otherwise go amiss. I don't
mean to lecture or "mansplain" here, but perhaps in my clumsiness and/or lack of complete understanding I am nonetheless guilty of it. I am certainly open to being further educated on the subject, as no doubt we could
all stand to be.)
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MMoM