They also do the inverse, insisting that obviously white Arabs and Persians can't be white because they don't live in successful countries. (On the other hand, Russians can be white despite not living in a successful country. Who knows. In this case, it looks like "white" actually means "Christian", except for Middle Eastern or Korean Christians.)

Kim Kardashian was supposed to be non-Caucasian, if you believe Twitter. Her name clearly identifies her as Armenian; you can't get much closer to the Caucasus than that. Although it is true that she's only half Armenian, with the remainder being Scottish and Dutch.