If we can't stop him from creating alts and post here how is taking this privilege from a few of his accounts going to work?
They'd be forced to use and expose their other accounts. I would prefer to have them banned on sight but perhaps removing self-mod privilege after abusing it a few times (and/or the lock feature, which as Rizzrack pointed out is also being abused) would be better than nothing.
I would say lets' get rid of self-moderated topics in reputation, but...that will also end in a shitshow.
That would punishing all users for the actions of one lunatic. I'm proposing punishing (well, mildly admonishing really) just the one lunatic.
I propose that flag reference threads can be locked only by mods and preferably only in certain situations like when OP removed support and issue solved and there is no more useful info just spam... perhaps then. Just an idea.
To revoke forum features for some particular users might not be the right call.
If those features are being abused beyond any reasonable "free speech" excuse then there should be some sort of limit to that. I'd be ok with the locking restrictions but it would still not prevent the perp from creating self mod threads and that is quite a nuisance even without the whole flag situation. Perhaps the limit should be one self-mod thread per 10 merits earned or something like that
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And again, the right call would be to enforce ban evasion rules until the troll runs out of clean IPs and money for copper accounts but this is not working in this case.
This guy will continue to troll the forum to death regardless of whether he can create self-moderated threads or not, so that kind of restriction probably wouldn't even be productive. Apparently korner is a Russian troll? I think I've heard his name before, but I can't say I remember any of his posts or that he had such a negative reputation.
Read the threads referenced in the OP when you get a chance. This troll takes it to a whole new level. Sure they could still troll without self-mod, and they could create self-mod threads with new alts before they get detected, etc. But if there is at least some restriction on those activities once the sockpuppets start abusing forum privileges then I think it would have a cooling effect. Right now there is absolutely nothing to reign them in. Flags can't be reported to mods and are not moderated anyway. Locking/self-mod abuses are not really moderated either.