Related past threads... others?
Shirky.com is gone - https://news.ycombinator.com/item?id=31038660 - April 2022 (143 comments, including from clay_shirky - perhaps he'll show up in this one too!)
A Group Is Its Own Worst Enemy (2003) - https://news.ycombinator.com/item?id=27706413 - July 2021 (61 comments)
A Group Is Its Own Worst Enemy (2003) [pdf] - https://news.ycombinator.com/item?id=23723205 - July 2020 (14 comments)
LambdaMOO takes a new direction (1992) - https://news.ycombinator.com/item?id=22680965 - March 2020 (29 comments)
A Group Is Its Own Worst Enemy - https://news.ycombinator.com/item?id=14634437 - June 2017 (1 comment)
The Lessons of Lucasfilm's Habitat (1990) - https://news.ycombinator.com/item?id=8255850 - Sept 2014 (10 comments)
A Group Is Its Own Worst Enemy - https://news.ycombinator.com/item?id=4059338 - June 2012 (2 comments)
Shirky: A Group Is Its Own Worst Enemy - https://news.ycombinator.com/item?id=3003574 - Sept 2011 (15 comments)
A Group Is Its Own Worst Enemy - https://news.ycombinator.com/item?id=3003547 - Sept 2011 (8 comments)
Ask YC: forums still a viable format (group-enemy problem)? - https://news.ycombinator.com/item?id=944662 - Nov 2009 (6 comments)
Clay Shirky: A Group Is Its Own Worst Enemy - Social Software Design - https://news.ycombinator.com/item?id=460624 - Feb 2009 (13 comments)
A group is its own worst enemy... - https://news.ycombinator.com/item?id=122189 - Feb 2008 (1 comment)
Shirky: A Group Is Its Own Worst Enemy - https://news.ycombinator.com/item?id=24992 - May 2007 (1 comment)
A Group is its Own Worst Enemy - Social Software Design - https://news.ycombinator.com/item?id=7354 - March 2007 (3 comments)