And most of their objections are just wanting more specificity, which is fine and all, but not a stalwart objection to noticing differences even if the category isnt good enough for you anthropologists
 
https://en.wikipedia.org/wiki/Racism#Etymology,_definition_and_usage
 
If we split hairs, Trotsky still used the term racist first (as a club to browbeat, hence the change from racism to an accusation)
 
http://www.1917.com/Marxism/Trotsky/HRR/1-1.html
https://redice.tv/news/racist-a-word-invented-by-ussr-s-leon-trotsky
 
https://www.thevintagenews.com/2017/03/24/richard-henry-pratt-is-associated-with-the-first-recorded-use-of-the-word-racism/
Of course a possible mistranslation.
 
Ultimately usage matters but you wont get anywhere citing Trotsky's use really. Everyone agrees on the term now.
 
https://rationalwiki.org/wiki/Racism#Origin_of_the_term_.22racism.22