Blacklist and Whitelist are not 'unnatural' just the opposite, that's why we use terms, because they are natural. 'Darkness' is after all 'opaque', at night we can't see, 'light' is one of the most ancient metaphors for knowledge etc..
It just so happens that it might not map to skin colour very well, but I don't think it's appropriate to change them because there is no connotation.
I buy that in some cases, there is language that can affect people and perception, just not in this case.
> It just so happens that it might not map to skin colour very well
Personally I think it's the skintone names that are weird. White to mean a certain shade of pinkish beige... Black to mean a whole range from beige to brown to dark blueish brown.
Our brains are very good at differenciating skintones, unlike shades of cyan for example. But for some reason the skin tones names are caricatures.
It just so happens that it might not map to skin colour very well, but I don't think it's appropriate to change them because there is no connotation.
I buy that in some cases, there is language that can affect people and perception, just not in this case.