Indeed. Which is why secular enlightenment ALWAYS leads to the Marxist/proto-marxist oppressor verses oppressed conflict. By reason alone, the very meanings of liberty, freedom and justice are changed or conflated such that they become self-contradictory.
Ironically, I also think that modern information technology (especially cheap computers, smart phones, the Internet and social media) ended up aiding and spreading Marxism a lot more than anyone ever imagined.