"One of the classic problems we have is -- and we have this a lot in English Wikipedia -- is the annoying user, who at least allegedly produces good content. There are users in the community who have a reputation for creating good content, and for being incredibly toxic personalities. This is a tough issue because [fixes slide problem] but my idea is very simple. Actually, on this issue, I have a very simple view is that most of these editors actually cost us more than they're actually worth, and we're making a big mistake by tolerating people who are causing us enormous..."