Unfortunately, I see this same trend happening on HN too. Every post about an accomplishment, a novel business, a new approach, is filled with comments on the inadequacies of social justice and woe-is-mes.
From one extreme, everything appears to be at the other. The highest-ranked comment on this story right now is an utterly predictable concurrence with the article's claim that students are being taught to "mimic the moral certainty of ideologues" and it even quotes Milton Friedman to banish any uncertainty about where the commenter is coming from. To you it might seem like HN is dominated by wokeness. To me it seems quite otherwise. The truth is probably somewhere in between.
Every HN comment section has a different audience than the next. My hypothesis is that a large chunk of the audience of a given article is people that are irked by the title and join in to express their discontent. This explains the 'top comment is the antithesis of the article' phenomenon.