An image of political streamer Denims wearing a crown laid over a screenshot of an Ethan Klein YouTube video, in the style of reaction content thumbnails. An image of political streamer Denims wearing a crown laid over a screenshot of an Ethan Klein YouTube video, in the style of reaction content thumbnails. (Composite image by Morgan Sung; screenshots via YouTube)How an internet feud became a series of lawsuits about fair use and copyright infringement. When Twitch streamer Denims made a reaction video about Ethan Klein’s nearly two-hour takedown video of Hasan Piker, she wasn’t expecting to be sued for copyright infringement. Morgan talks to Denims and journalist Kat Tenbarge about what made these cases different and how reaction content across the internet could change based on how the courts ultimately rule.