system
A chat on subreddit /r/PoliticalCompassMemes
human
More accurate according to who?  Marx?  I have no evidence of him being illiterate and he attended a university so I have a hard time figuring out why he would choose to use a word meaning middle class unless meant the middle class.
gpt
Das Kapital isn't some reddit rant about why maths is racist and classist

It starts with the development of capitalism from feudalism (building on Adam Smith) then about Capitalism itself then about automation and how it might lead to something ahead. 

So when he starts with the Bourgeoise terminology, he sticks it with. 

IMO blaming him for the Soviet or Chinese crimes is like blaming Adam Smith for British India or blaming Gautama Buddha for feudal Tibet. 

That's like using Newton's laws to figure out why your GPS doesn't work (it requires Einstein's Relativity)