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That's an absolutely ridiculous assertion. Do you similarly think that the Battlestar Galactica reboot was a thinly-veiled racist show because they frequently called the Cylons "toasters"?
Is this where we're at with thought-crime now? Suffixes are racist?
While I find the animistic idea that all things have a spirit and should be treated with respect endearing, I do not think it is fair to equate derogative language targeting people with derogative language targeting things, or to suggest that people who disparage AI in a particular way do so specifically because they hate black people. I can see how you got there, and I'm sure it's true for somebody, but I don't think it follows.
More likely, I imagine that we all grew up on sci fi movies where the Han Solo sort of rogue rebels/clones types have a made up slur that they use for the big bad empire aliens/robots/monsters that they use in-universe, and using it here, also against robots, makes us feel like we're in the fun worldbuilding flavor bits of what is otherwise a rather depressing dystopian novel.
"This damn car never starts" is really only used by persons who desperately want to use the n-word.
This is Goebbels level pro-AI brainwashing.
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This is a deranged take. Lots of slurs end in "er" because they describe someone who does something - for example, a wanker, one who wanks. Or a tosser, one who tosses. Or a clanker, one who clanks.
The fact that the N word doesn't even follow this pattern tells you it's a totally unrelated slur.