The reason gender has always been the same as sex is because it has been the best way for any society to function.
Second, how many genders can a person feel 💀 By birth, you either see cocks or pussies, gender dysphoria has historically occurred when a cock person looks at a pussy and wishes he had a pussy and not a cock, or the other way round.
There's no way a person can grow up feeling Trigender or Aporagender, because they don't even know it exists until one specific community tells them that it is, and that they accept it.
Does it deserve acceptance? ._. It serves no purpose. Say, if one community starts accepting criminal activity and treats criminals like they've achieved something, it doesn't make them a warm, hospitable, accepting community for everybody, it makes them a danger to society.
I'm sorry to tell you this, but I had gender with your mom.