MANY HUMANS SAID
‘This is ridiculous’. As well as a plethora of other boorish things.
I don’t understand what this person is doing wrong here. The question is a valid one: if you are trying not to be a jerk inadvertently, does it matter if a word that sounds offensive has an etymology that isn’t?
In the real world, racists use nigg* words regularly to express and signal their racism, from otherwise made-up terms to ones like niggardly, chosen solely because of its resemblance to the slur.