tl;dr It started off on reddit to mock video-game jounalism, now it showcases ethical violations occurring within video-game journalism. /r/KotakuInAction, on reddit, was similar to how Slowtaku is today, just laughing at sub-par journalism. On August 19th, anyone commenting on this video regarding journalistic ethics in game coverage were auto-banned. Since August 19th, /r/KotakuInAction and /v/KotakuInAction involve ethical concerns regarding video-game journalism. Here's an extremely detailed history behind GamerGate, which KotakuInAction was a notable part of. (Archive of history) Also, a major happening, which involved WikiLeaks (a.pomf.se/wvukav.webm).