Where do you get that? My experience is very much the opposite. What I see from university educations is far more nuanced and sophisticated than what I see anywhere else - far beyond HN, fwiw.
MLK said that people don't change their minds (maybe not exactly his term) in the absence of tension. There's plenty of history that they will ignore things for generations if they can. Look at what's happening with climate change, for example - and instead of acting to stop the problem, many in power are acting to deny it and to suppress anyone who points out out.
> if you don’t notice that activism and books praising activism (as opposed to seeking knowledge and revealing truth, or even just having deep knowledge of craft, like medicine), are a large part of modern academia
What in academia do you have experience with? Any at all?
As one of the many millions of people that moved to the west to (successfully) elevate our lives compared to every place where Marxism has been attempted -- what?
// ... based on the literature
Oh, lol. People can't eat "literature."
Putting aside that I quite like Marx and Marxism as objects of study, Pikkety's "r > g" is simply not any of Marx's empirical theses in Capital. You are perhaps thinking of the "tendency of the rate of profit to fall", which many people considered to hold empirically in the 19th century but which came into greater dispute through the 20th century: https://en.wikipedia.org/wiki/Tendency_of_the_rate_of_profit...