There are alternatives. stream.place is one, homegrown right here on atproto There's also joystick.tv if you don't mind sharing space with sex work (the platform is SW friendly, but you can just stream SFW content and gaming as well)

Stream.placeOpen-source livestreaming on the AT Protocol.stream.placeZach Bussey 🍁

Twitch and Amazon are apparently planning to use streams to train Generative AI. Multiple sources tell me it will be announced in the coming months, despite some internal friction against it. Creators may be able to opt out of some training data.