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As far as I can see they didn't have any offenses with Dtube. @dcleaners is exclusive for abusers who repost stolen content on Dtube.

There are already many spam/abuse prevention projects for articles but none, as far as I know, for Dtube videos.

Oh I know. But I meant that I'm happy there is now something for dtube too. As for the others are projects like that.

Yep, its strange that no one thought of it before.