I think a huge problem with this is trying to frame everything through D&D as well as our perspective. Fuck modern D&D and its desire to control the entire dialogue. Wizards of the Coast aside, there’s also a fantasy component here. I personally dislike requiring all races to act exactly like humans with human motives. From a specific perspective, we view the wanton murder and sacrifice of wood elves by the drow as a terribly evil thing. From the drow perspective, why can’t the opposite be true? I’m not talking about Salvatore’s one-sided writing that makes it clear the whole thing is a massive con. D&D is very biased toward human motive and perspective. Why can’t both be true? Drow are evil to us and we are evil to them? That’s a much more interesting story and completely changes the narrative around someone like Drizzt.
This is a really nuanced take on speculative fiction in general. I also strongly feel that, the way WotC writes things, removing racial alignment is very important. There is no nuance in their universe. Even when we see other races, we always evaluate their action through a human lens rather than being presented a cogent paradigm contrary to ours.
What you’re describing is closer to the nuance I’m interested in than WotC’s settings. If you read some of the later Lolth stuff, it’s the exact opposite of that. Evil is bad and the justification for anything always involves this trite movement from evil to good. They’re not presented as counterbalances or equal combatants. Even evil characters seem to always be working under the assumption that good characters are ultimately better.
The 40k universe has a lot of similarities. However, I’d argue its authors are somewhat better at presenting why Chaos is an equally valid choice or why the Orks can do whatever they want. There isn’t a clear choice (some authors are fucking terrible at this and drive WotC-style to the goodness of the Imperium).
The only reason WotC has to remove alignment from races is because WotC has made it very clear there is the thing people should want and there is the thing people should not want. That’s not an even layout of nine alignments. That’s a huge bias and all of their content reflects that.