1. CP posters
While it's true CP posters started all of this, you old people should've been prepared for a case like this and went on about repelling it properly, especially since most of the management knew about the nature of the community for years if not over a decade.
2. Management: Luna/Michael, Ed, Turncoat, Inquirer (later also Tony)
• Getting double edged "passive measures" implemented to "counter CP". This killed SC spirit directly from within. You are fucking mods, act like it and do your jobs without ruining the experience for others. To remind you from the top of my head, for new accounts: No registering through Tor/proxies, not being able to embed images, not being able to chat and having to fill out captcha with every post. This literally killed all anonymity & joy a puppet could have, and made it a pain in the ass that just wasn't worth it. Not to mention, no new person could want to stick around with those limitations, who knows how many potential regulars were lost because of your fuck-ups.
• Making Luna paranoid about CP that is posted. Short and sweet, you made her extremely invested into the site to the degree she felt like she had to watch over all, get herself involved, add new features (that all went against SC's core mind you, such as senate or when you could see when somebody was typing), intervene with the physics and be there 24/7, which was a big factor that made her crack in the end.
• Banning CP posters (or members in general). You gain nothing from banning somebody other than PR and/or feeling good for 2 minutes. Unless it's a special exception of limp dicked person like Primal, you just gave the poster an incentive to return on tor and post more as retaliation without holding back since they have nothing to lose. This mistake also made the "passive measures" fuck-up stated above necessary, which is another fuck up. Both do kill the "SC spirit". Instead, mods should have a feature to delete a user's last XXX posts without banning them, where XXX is a number mods can set (should be added to here too).
• Ban on sights. Just gonna say: XD
I might have forgotten some, but just with the fuck-ups mentioned, the community started feeling off and joined the bandwagon with "the goons". There was low to no coordination with people who hadn't been banned on SC and "goons", they did all by themselves i.e. speaking up, trolling Luna and so on.
SC is all about politics, if you try to keep somebody away by force, they will likely go glass cannon about it. If you weren't retarded to try to enforce this, you wouldn't have needed to do watch shifts as 5 mods to keep the site clean. Turncoat and Tony are the most harmless offenders among the mods but not innocent. Turncoat rooted for "passive measures" but was unwilling to ban on sight (lost his mod spot for it...for his own good considering his obsession with the site), and Tony modded the way Luna wanted but also tried to get things resolved between us and the mods to put an end to the conflict (denied by Luna/other mods all the time).