I was active on Livejournal when "Strikethrough" happened- an incident where site admins brought down the ban hammer on a large number of journals and communities in response to pressure by a conservative Christian group along the same lines as Collective Shout. The banned communities included ones for sexual assault and incest *survivors*, just because they had certain interests (tags) in their profiles.
Strikethrough was also the effective beginning of the end for the site (even if the biggest mass exodus wasn't for a couple more years,) just saying...