Seems that in some online circles it has racist connotation which I was not aware. Some context https://web.archive.org/web/20260101134925/https://www.wired...
This article also - unironically - says, that building a data center near specifically black people is literally racism. Don't waste your time reading this garbage.
That snapshot appears to be of a partial page terminated with "You've read your last free article" before the real meat of the article begins.
The direct wired link is: https://www.wired.com/story/the-ai-slur-clanker-has-become-a...
A full readable 7 month old snapshot is: https://archive.md/gH1f5