You don’t get the point. Those NPCs are not connected to any other NPCs of the same species, their species doesn’t matter any more than their gender or hair colour. In BG3 the Flaming Fist have random names and species (there may even be Dragonborn, I haven’t interacted with all of them and...
I suspect we will have both artificers and psions in a 2026 core rules supplement book. Although whether the psion is a reprint depends on if it comes out before or after Dark Sun.
I suspect one artificer subclass will remain exclusive to this book though - probably Cartographer. With one...
And tens of thousands of unnamed Flaming Fist mercenaries of many different species*. Assuming your Flaming Fist character is connected to any of those is highly improbable. It's a stereotype that all Americans think all British people are related to King Charlie. Do you actually believe that...
Aren’t these all details the player normally decides? If I was a player creating a human PC with a background in the Flaming Fist I would expect to have to answer the same questions.
And if they are just some NPC guard, then you need to know different things about them. What it’s their...
DM: “In the town square you see a crowd of people gathered round watching a juggler.”
Player: “Are any of them Dragonborn?”
DM: “You see the glint of scales at the back the crowd, but you can’t tell if they are a Dragonborn or other scaly species from this range, do you want to go closer?”
Well, if they are separate settings I don’t like either of them. Indeed the reason I never played Starfinder after buying it is the inbuilt setting didn’t suit the stories I wanted to tell.