Something i've noticed from being The De Facto Support Guy over the last forever is that relatively often, I go to process a report for "untagged adult content" and discover that it's already marked as adult because some helpful rando (complimentary) has kindly commented and asked the OP to mark that post as adult. I obviously try to process reports as soon as possible, but I've seen this happen literally within minutes of the OP hitting "post now", even!
we make reporting really easy here on cohost dot org, but i just wanted to commend everyone who takes the minute or so out of their Posting to help everyone else self-moderate. of course it makes my job easier while we work very hard to hire our Support Wizard (job title not final or official) but i did want to actively note the more important part- that this is the kind of community behavior that makes for a really nice website.
i sign most tickets and reports with this, but it's as true as ever:
thank you for making cohost a better place to Post and Interact 
A thing about websites like Twitter and Tumblr is that it's very hard to do this on them because it tends to come off as hostile and often also as bad faith (and often is hostile and bad faith) for a mix of design & culture1 reasons, rather than as a friendly nudge in the right direction. I think it's still TBD whether Cohost will be able to design & moderate in a way which heads that off before the culture really develops, because most of us are carrying a bit of it in our heads with us coming from the hellsite & inertia is hard to fight. Here's hoping!
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eg because they both have a nasty culture of people policing others for unimportant or imagined Infractions Against Justice in order to score social points
top-down "community management" does not scale. what does scale is when everyone in the community sees themselves as a potential community leader and takes responsibility for the stuff around them.