[TODO: lit search or ask linguistics.stackexchange for literature on what gender/plural/case/&c. distinctions are for? Is it just the collision/ambiuity reduction, or is there something else? Oh, or Anna T./Elena might know]
+https://www.lesswrong.com/posts/wqmmv6NraYv4Xoeyj/conversation-halters
+> anything that people are motivated to argue about is not arbitrary. It is being controlled by invisible criteria of evaluation, it has connotations with consequences