vbulletin 3 implemented the functionality 'Tachy goes to Coventry'. It was named after a friend of Kier. Later Craigslist, Reddit, Twitter implemented shadowbanning. All do the same thing: put the user on global ignore so only the user can see their own posts. Instagram is now implementing the feature to counter bullies. Read more: https://www.bbc.com/news/technology-48916828 Unfortunately the feature is not available for XenForo or IPS.