In practice, big techs don't care about POC, they care about mobs.
"Inclusive" words is just what make mobs happy and it's cheaper to do than being accused of discrimination for real reason: POC representation in big tech.
Changing a default branch name is cheaper than try to fix the real world.
That's the point, and that, unfortunately, the reason why the situation will never change: Because we act only on the exposed representation; movies, text on web site, etc.