Livestreaming giants Twitch have admitted using streamed content to train the generative AI models of parent company Amazon. While it’s not clear when the platform began feeding its users’ work into Jeffy B’s Planetkilling Machines, yesterday’s announcement of an opt-out toggle – buried deep within Twitch’s security settings, and set to enable AI stream-gobbling by default – sparked outrage among streamers and viewers that such scraping was occurring at all. Twitch’s chief product officer Mike Minton and head of community…