We currently have four levels of warnings, have a look at them if you like 1, 2, 3, 4 - along with an only warning. Do you think we need 4 levels?
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Does an admin need all 4 levels to block? How many do you think they need? How many should you have gone through before going to AIV?
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When do you think you might use the "only" warning?
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Is a copyright violation vandalism?
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The vast majority of vandalism comes from IP editors... but the majority of good edits are also made by IP editors. Should Wikipedia require registration?