Wikipedia has a database/list of people banned from editing wikipedia pages. It tells you what they are banned from editing, whether its based on editing, specific topics or interactions, and you can click on the special enforcement details you can see details of what transpired.
Reece Leonard and STATicVapor were involved in a 4 month conflict over whether artpop received positive or mixed to positive reviews which lead to a stalemate between Reece Leonard and 10 other editors. The fallout from this really reveals a lot about what editors do on wikipedia and its endlessly fascinating.
