You cannot convince me that Turalyon coming back as a grizzled old Doomguy who spent 30 years in hell fighting demons wouldn’t have been the best thing ever.
But we got what we got and we’re all worse off for it.
While this is v true, I do think it’s important to separate out the reasoning between adding visibly non-human customisation options - where you can and should tell stories about how they came about - and adding options for the human or human-coded races, where you almost always should not.
Quick example: a large LARP system recently changed the rules on how to portray Drow in their setting. Previously, the main way was full black facepaint - which drew a lot of comparisons from BME* folks that it felt uncomfortably similar to minstrel blackface.
This year, the system has changed so that black or brown facepaint is no longer an option as a base layer. No in-game justification has been (or should be) given for this, because the issue isn’t that Drow make Dwarves uncomfortable but that actual real-life humans are feeling excluded.
Tweet from seven years ago with Kosak speculating it’s a bug
Tweet from last year with some guy saying it’s possibly part of a deep and compelling character backstory that he wouldn’t want to spoil so he can’t answer the question.