Earlier quoted context omitted.
The only difference is, I suppose, the fact that one comes from a people that got very close to experiencing the "social justice paradise" and the other is just a made up phrase by an internet troll. Otherwise, they are practically indistinguable.
I'm not a troll. And I don't think most people, including the majority of strident believers in social justice, would consider the 20th century Soviet Bloc to be a paradise.
The current focus on purity of thought is remarkably like the communist struggle sessions, how they tortured people to correct their thinking not just to achieve a confession, how there was always room for more ideology and more purges as the party continually turned on its heroes.
Here's an example. At ~25s the officer talks about people who want to help (lower-case social justice) being faded out by people who know nothing of the situation and are just using it for political clout. He's black and trying to discuss the protests with black protestors and they're being interrupted by white protest leaders (upper-case social justice) who need to stoke conflict to remain in power.