[kemerover]

But it is a reliable indicator of race.

Article even says it:

>The dark-skinned people of southern India, Australia and New Guinea, for example, did not independently evolve their color simply because evolution favored it.

>They inherited the ancestral dark variants Dr. Tishkoff’s team found in Africans. “They had to be introduced from an African population,” said Dr. Tishkoff.

[astrodust]

There's multiple genetic factors that dictate skin tone, and the overlap between these is pretty chaotic.

They even admit there's some aspects to skin tone that are still completely a mystery, there's no genetic marker(s) they can point to as the cause.