Giggity!
Yeah, "trans-gender" issues in the 21st century are primarily due to limitations in medical technology and the fact that transition from one sex to another is a very difficult and time consuming process (and is also massively complicated by the habit of English speakers to use the words "gender" and "sex" interchangeably). The level of technology we see in the Trekiverse is such that gender reassignment is probably an outpatient procedure. On the other hand, it's also probably less common; some (many? Most?) cases of body dysphoria are actually caused by hormone imbalances that may themselves be treatable, and some others are caused by psychological conditions which would also be treatable. Genetic and individual factors leading to successful gender reassignment would be more easily quantified by that point and it would be about as controversial as a kid getting braces to correct an overbite.
One you don’t seem to have the slightest understanding of anything about transgender people on any level. Maybe you should actually listen to trans people first, we know a bit more than you about the subject.
Two medical technology isn’t as advanced as you seem to think. People are still getting paralyzed, people are still blind or have disabilities. They don’t think them as an illness, they just make it easier to function in society. Geordi while born blind, has a greater range of vision than any of us can imagine. He’s not missing anything and even refused being given “normal” vision. Geordi isn’t damaged and he doesn’t need to be fixed, in fact his Visor makes him a better engineer which gives his life meaning.
Likewise transgender people, I’m not sure why you added the hyphen and scare quotes, are not broken. We don’t have body dysphoria, you’ve confused two different conditions. There’s body dysmorphia, which is seeing flaws that don’t exist. The prime example of this is usually young women who are already underweight trying to lose more because they believe they are overweight. It requires a lot of therapy. The other is gender dysphoria, something that most but not all trans people have. It’s not a mental illness, it just stress and discomfort that comes from being seen and treated as the wrong gender. No therapy can cure this, the only treatment that works is social and sometimes medical transition. Meaning that they are now seen as their correct gender by society. This commonly affects trans people because due to western civilization having certain concepts about sex and gender, they aren’t always treated as their gender.
To make this simple: Gender is between your ears, Sex is between your legs.
Other cultures have recognized this, most notably Native American tribes which recognized at least three genders (male, female, two-spirit). Two-spirit people were treated as the gender they identified as and even treated as spiritual leaders due to their unique insights on human nature.
So maybe the problem isn’t trans people, but our culture.
Now if a trans person wants hormones and surgeries, that’s up to them. It shouldn’t be forced on them in order to enforce our society standards for what’s a man and what’s a woman. It creates the idea that being cisgender is the norm and default for the species. It isn’t and other cultures recognized this. It’s no more the default than being right handed is the default. We used to force left handed people to use their right hand, punishing them for any slip up. But that’s gone away and one day, the idea that cis is the standard will too. Star Trek should reflect that because they’re more enlightened than us and should show people how our society is wrong. Just like how TOS showed audiences how widely accepted ideas on race were wrong.
So yes, I’d like to see a trans person played by a trans person being treated as their true gender without any question. Maybe they thaw out someone from the 21st century or some historical figure so they can comment on it and be corrected. But the crew should think nothing of it.