This affects all of us, directly or indirectly. This is about the values born from the Enlightenment (primacy of the individual, freedom, and self determination; secular liberalism; the scientific method; capitalism; democracy...) vs. postmodernism (with the explicit goal to tear all that down).
Personally, I'm old enough and well off enough that I will never have to write a DEI statement. If I did, it would be short, something like "Kiss my liberal ass, you Maoist authoritarian asshole."