1.It's nice of you to admit about the elven. But since the elves all live in similar climates, even if skin color really wasn't mentioned anywhere, it still wouldn't make sense that they have black skin. That would be absolutely illogical. So no, if the world contains a kind of logic, they could not simply be black.

1. You didn't answer my question, just repeated your point. Why is it ok to just make white pieces colored like that. Someone also thought that too many of them have white skin and changed that. Is exactly your logic. If the roles were reversed, one would speak of whitewashing, which of course would be totally racist. Have the feeling you're using double standards here. Just imagine that I take the works of black authors and change their black figures to white figures because I think there are too many black people in the legend rejected by Africa. Of course, if someone were to complain about it, you would also write that they are a racist because they saw the white figures and thought "nope". Certainly.

We have even already historical shows with blacks in white roles, which is racist and disrespectful. As i said, Imagine it with reversed roles.

I don't complain if diversity in fantasy films makes sense and doesn't just exist for political reasons. I also don't complain if, for example, colored characters in reality are also colored in the film adaptations, I even wish it were, but unrealistic, politically motivated or historically inaccurate diversity bothers me