> It's somehow always relevant, because they all pretend to be speaking for black people, or that their situation is exactly as if they were black people.

What does that have to do with the fancifully hypothetical "project with an official policy that pull requests from people with a certain skin color will not be accepted"?

I legitimately can't understand what you're railing against. Who are "they" in this sentence? Why should I consider that "they" are doing what you describe? Give concrete examples, please.