Lenin destroys philosopher's career by literally citing him
It's hard to keep up with what they're talking about (modern philosophy blows), but my takeaway is Lenin rocks
It wasn't modern even back then, Berkeley which Mach plagiarised was XVIII century anglican irish bishop.
Lenin smashed empiriocriticism so utterly that it barely even surfaced again.
Fun fact: when later Einstein tried to make Mach feel better by trying to credit his influences on general theory of relativity (incorrectly btw.), he refused it.