You don't know that. "White" can mean either, but it didn't matter because both interpretations are equally bad. See for example
https://en.m.wikipedia.org/wiki/White_people
Replace race with skin color in the GP comment, the point still stands
Replace race with skin color in the GP comment, the point still stands
The original author wrote the word "white", not me. There are many ways to segment a population - that's demographics. Having "white" as the segmentation criteria and claiming that it affects whether the demographic is biased for an interview sounds very racist to me.
Your opinion that this argument is in bad faith or in order to fuel something is not supported by any facts and is therefore irrelevant.