Anyone have any theories as to the inner workings of trans people picking new names? There are some that are pretty lazy and go for the opposite-gender variant of their name (e.g., Chris → Christine), while others pick names that don't resemble the old one (e.g., Daniel → Maria). One of the troons I know has gone through names like two times already, though he was in some pretty messed up (abusive) relationships.
What is one of the first things people learn about you aside from your appearance? Your name. Names are tied to identity, and meeting a woman named "Diamond" gives off a different impression than naming a woman named "Hannah".
But the process od picking a name for trans people isn't thinking of what fits into society or honors traditions for the most part, it's "What will my new username be?" or "What will my new RP/DnD/Original Character identity be?"
He's not Brandon, the guy who sharted in high school and never lived down the embarrassment since, he's Sophie, sweet cute woman who is both wise and beautiful (AND NEVER SHARTED). He's not Paul, the incel who couldn't get laid or speak up for himself, she's Lilith, the badass goth gf who appreciates all women and races and is queer radical as fuck, a powerful mysterious woman making up for past sjw crimes in name only and sounding "badass in the process (but the incel never leaves, it is merely covered up). He's not John the weeb, she's Miku the mommy neko dom who will make you feel all better.
She isn't Erin, the girl who never fit in, she's Liam, the boy of her dreams. She isn't Madison who experienced terrible trauma, he's Noah, a man who's always been a strong normal person who blends in yet is powerful when provoked. She isn't boring Maria, he's Peter, her favorite Marvel superhero twink she's obsessed with.
Some go super far, autistically naming themselves shit like "Blue" or nonsensical nonbianary name you'd hear on a dog because they're socially and bodily disconnected. They might want to be seen as concepts, objects, or animals they love and relate to more than normal people. Some are just uncreative, are ok with their past life, don't want the hassle of completely changing names, or somehow actually want to appear normal, so it's John to Joan or Michelle to Michael. Or what their parents would have named them. You'll see some of these in more successful fields where the trooning is a midlife crisis or the person had a preestablished career.
Whatever the case, the idea is to get rid of the old person and become the new one. Names are bigger parts in identity we don't usually think about since we're so used to and usually accept our own, never thinking the connections we made or our impression due to not having to choose a new identity. Trans people are always anxiously thinking about how others perceive them and who THEY are. Not calling someone by their new name isn't just inconvenient, it's "This person does not respect me", "This person is bringing up my awful/boring past", "My new identity isn't successful", and so on.
When troons hop between names, it can be as little as incovience (Elizabeth is too long, going to Mia), to not feeling the name anymore, to shaking off old feelings associated with that name (Taylor was my embarrassing early transition associated with breaking up, call me Avery now). Or it's "I burned all my social media bridges and must go from Selina to Cassandra/Cassie to hide on twitter and discord." It's switching usernames on social media, but for real life.
If sex and gender are different, why is gender identity more important than a person's biological sex?
At that point what is non binary and why should anyone care?
It's not about what makes sense, it's about respecting their feelings. Misgendering them isn't just a sign of not believing in the concept of gender sex changing, it's throwing down the gauntlet to them by saying you have no respect for their person since that is their whole identity. You can poke and prod people who talk about nonbinariness, but what usually comes out is respecting how someone feels and identifies as well as some metaphysical or philosophical concept of gender/sex and identity being conflated. They just want external validation and respect, shut up, stop reminding them they're worthless by calling them a gender they think is weal/gross/uncool.
There's massive arguments and internal conflict in the trans domain on sex and gender because different trans people get different benefits from it. Basic male to feminine and female to masculine trans people are more likely to say that hormones and surgery really change the body so they get taken serious sexually. They're BIOwomen even if the XY was their original one, their hormones have feminized them so much shut the fuck up. Nonbinaries and genderfluids are more likely to say that gender and or sex is made up so they can present however they want with their pronouns and we need to dismantle the cisytem for keeping everyone down. Some trans people hold both opinions at once and only come into conflict when someone challenges them or uses the rules of one against the other. Some staunchly stick to one and are labeled as traitorous bastards by the other for invalidating them (or getting the classic male to female/female to male surgeries kicked off insurance since gender is just a concept). And others are opportunist clinging to whatever excuse is more valid at that moment to get what they want.
The main idea is that these two conflict but no one talks about it since everyone wants to fit in and play pretend happy. They want to grow closer to each other by fighting transphobes, not to be ditched by their new friends in the trans community. The philosophy is different because they either hang out in different circles or never stop to talk about it since they all think they're totally in agreement already. Infighting is much easier to achieve in the trans community with the right words and push due to this.