GreenTengu
Adventurer
As someone who stated playing during the 4e era and have yet to hear any reason why I should even take a look at anything older, I can tell you that playing a 7ft tall creature with scales and a draconic face very much appeals to me.
Really? Okay, let me break this down for you.
If they are going to exist at all, if you have Dragon-people they could be... nay, should be this:


But that isn't a dragonborn. That is actually menacing, actually formidable, actually... well... possible to be taken seriously. Dragonborn are this


I mean, besides being ugly as sin, exactly what part of that says dragon to you? Its just a weird furry fetishes fantasy. In fact, even the furry fetish version would probably retain a few more actual draconic characteristics. They are almost entirely absent-- and not because the changes make sense from a narrative perspective, but simply because they felt that if they had tails, wings and claws they would be forced to convey those aspects mechanically which would unbalance the race.... and pretty much everything about their culture is also designed for fitting a particular mechanical niche rather than being logical, interesting, dynamic or adding anything whatsoever to the story.... they just wanted to randomly add dragon people while also doing everything possible to drain any sort of impact or threat or interest to a thing such as dragon-people existing... Try to take the most powerful well-known creatures in the game, embody it into a humanoid form and then somehow make them as mundane, uninteresting and undisruptive as possible.... which just serves to make dragons in general a lot more laughable and mundane.
When the whole design of a race is about the mechanics rather than generating any sort of narrative interest, it really doesn't belong in a story.
They shouldn't even be in Faerun because they make everything worse by their inclusion. At least as long as one insists that their inclusion be done precisely as it was originally conceptualized.