This is how Dragonborn were integrated into Eberron. The first Dragonborn came to Khorvaire thousands of years ago as allies of the Dragons and Couatls in the war against demon lords. After the demon lords were bound, many Dragonborn stayed as a type of sentinel force. Eventually they forgot...
Eh, I'm still going to keep it tight. If you want an off species mark.. expect for it to a major point of drama in the campaign. If all you want is kewl powerz, magic initiate is right there.
That's how the setting contest ended up playing out too. At the Eberron Anniversary panel, someone asked Bill Slavicsek what the other two settings were about. One was prehistoric D&D, and the other was a psuedo-Roman setting.
I did some digging. Microsoft announced the end of Silverlight support for Internet Explorer 11 in July of 2019. That must have been when they decided to start winding things down.
What's funny is there is an explicit mention of there being "half-dragon lizard folk" of Q'barra in the 3e Eberron book, but some people acted like it was beyond the pale to say, "yeah, those are Dragonborn, here's some more information about them."
Looks like this is where it's headed...
https://www.hollywoodreporter.com/business/digital/disney-plus-gen-ai-user-generated-content-1236426135/
... proprietary IP image generation as a value added part of streaming platforms.