I'm glad to have clicked through for curiosity's sake. Diátaxis is tremendously interesting. For folks who might recognize the author's name: Daniele Procida:

I'm glad to have clicked through for curiosity's sake. Diátaxis is tremendously interesting. For folks who might recognize the author's name: Daniele Procida: Director of Engineering at Canonical. Creator of Diátaxis and BrachioGraph. Django core developer. Fellow of the Python Software Foundation.