"The Tragedy of the Digital Commons" a speech given by Tristan Miller
in his personal capacity contrasting commercial platforms and Usenet
is accessible from:
https://www.worldsocialism.org/spgb/audio/the-tragedy-of-the-digital-
commons/
Tristan's talk given on 23 July 2021 contrasts the collective culture
of the early Net like Usenet vs the commercial culture of much of
current social media. A lively discussion followed his talk.