As a person with ADHD, I totally hear you.
You're right that in a different world, built for any particular neurodivergence, the balance of challenges would be different.
For me though, I've learned to acknowledge that no fictional world-building could make me better at remembering names, faces, birthdays, the stories I've already told someone, or keep me from burning out my interest in new passions.
At the end of the day, despite people thinking I'm "smart" and getting along well with others, I'm constantly exhausted by the additional effort it takes and nobody sees the excessive downtime it takes for me to recharge.
I always think of GATTACA and how in a world of genetically modified rich people, a man has to hustle hard to blend in. It's a constant effort 24/7 just to create the illusion that I'm operating the same as everyone else.
The other thing is that most of the socioeconomic changes that would benefit me, would also benefit everyone else. Which is good, but means the balance would not be dramatically changed.
I've realized my internal discomfort with acknowledging my condition as a disability, stems from believing a disability makes me lesser. What has alleviated that discomfort is realizing that's not how people see each other in real life (in general).
My sense of being lesser, of unfair struggle, comes from capitalism exclusively valuing persons/things that best grow the wealth if those with capital.
I'm not lesser because I'm a bad person, or a stupid person. I FEEL lesser because the world I live in let's people die when they can't afford a hospital visit, and only values human life to the extent that it makes rich people richer.
It doesn't even matter if you bring greater value to the world with your art, if capitalists can't monetize it for themselves.
As capitalism's stranglehold tightens on everybody exponentially, the rest of the world is starting to get a taste if disenfranchisement for themselves. As more people recognize the root of so many problems, people will continue pushing for more radical change.
We might not live to see the best outcome of this fight, but know that you aren't fighting you struggles alone and your obstacles aren't your fault.