> if someone creating an IQ test is a white male, chances are white males will have an advantage on the test

But why and how would white males consistently create culturally biased tests which advantage East Asians?

> It's very hard to create a "general intelligence" test that isn't biased in some fashion [and many say it's impossible]

Tests of reaction time are probably not culturally biased: https://en.wikipedia.org/wiki/Mental_chronometry#Mental_chro...