Progressivism was already utterly dominant in the 1960s. It was utterly dominant in the 1900s. What changed was how important it thought "civil rights" where. This did not happen due to popular sentiment but changing moral fashion among intellectual elites in general. Not only did popular sentiment not change much because of activism, neither did intellectual moral fashion, it was changed as a side effect of where Ivy League opinions where a few decades before.
Now sure those opinions might have shifted because of activism, but that was a different generation of activists than the ones that where picked by the media and education industry as symbols for their new prescription for society.
So, according to Moldbug, political changes over time aren't due to different movements waxing and waning in power and support, but rather due to one grand movement changing its mind? He seems to be a shockingly vanilla conspiracy theorist, given what I've heard of him. I'm surprised that LWers put up with him...
http://unqualified-reservations.blogspot.com/2013/01/noam-chomsky-killed-aaron-swartz.html
Summary: Moldbug on the Aaron Schwartz affair. Power is a very real thing with real consequences for activists, yet many people don't understand the nature of power in modern times. People like Noam Chomsky get great fame doing bad epistomology about who has power, and as a result do great harm to idealistic nerds who don't read between the lines to selectively target their attacks at weak institutions (Exxon, Pentagon) instead of strong ones (State, academica incl. MIT).
Here he returns to a theme that is one of his real contributions to blogospheric political thought: that victory in political competitions provides Bayesian information about who has power and who doesn't. If your worldview has the underdog somehow systematically beating the overdog, your epistemology is simply wrong - in the same way, and to the same extent, as a geocentrist who has to keep adding epicycles to account for anomalous observations.
This means that activists like King, Schwartz, and Assange are only effective in bullying the weak, not standing up to the strong (despite conventional narratives that misassign strengths to institutions). When such activists stop following the script, and naively use the same tactics to attack strong institutions, reality reasserts itself quite forcefully: