Still citing it (21 October 21): https://www.reddit.com/r/slatestarcodex/comments/qcrhc4/can_someone_provide_an_overview_ofintroduction_to/hhkf6kk/
+Still citing it (15 July 21) in a way that suggests it's ratsphere canon: https://twitter.com/NLRG_/status/1415754203293757445
+
+Still citing it (14 November 21): https://twitter.com/captain_mrs/status/1459846336845697028
+
The correctness of this post has been disputed at length: [object-level reply](http://unremediatedgender.space/2018/Feb/the-categories-were-made-for-man-to-make-predictions/), [meta-level reply (part 1)](https://www.lesswrong.com/posts/esRZaPXSHgWzyB2NL/where-to-draw-the-boundaries), [meta-level reply (part 2)](https://www.lesswrong.com/posts/onwgTH6n8wxRSo2BJ/unnatural-categories-are-optimized-for-deception), [supplementary material on dolphins/whales](https://www.lesswrong.com/posts/vhp2sW6iBhNJwqcwP/blood-is-thicker-than-water)