And changing the use of language changes the use of language.
If the black community was helped in some substantive way by going from negro to Afro-American to African American I think I missed the evidence of it.
Changing and improving perceptions is always useful, but it does not require the abuse of language. Where DoubleSpeak is present, both rationality and a sincere intent to do good are absent.
I would add that this Seattle thing feels like theater, like real time LARP-ing.
And considering how intellectually inbred and narcissistic it is, I will submit there is such a thing as a behavioral monologue.