Board Thread:News and Announcements/@comment-26712086-20150924213701/@comment-26245895-20150924223418

That's pretty much the idea; prevent new editors from having the ability to edit articles. If we can just limit it to select members of the wiki (rollbacks, admins, bureaucrats, active members, etc.), the amount of vandalism should drop significantly, since they would not have the ability to edit in the first place.

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Though sadly, they could still spam the comment sections of articles, couldn't they?