An executive at one of generative AI’s leading companies has quit over the startup’s controversial use of copyrighted content. Ed Newton-Rex had been VP of audio at Stability AI, which produces the popular image-generator Stability Diffusion, but resigned due to the firm’s treatment of creators. “I’ve resigned from my role leading the Audio team at Stability AI, because I don’t agree with the company’s opinion that training generative AI models on copyrighted works is ‘fair use’,” Newton-Rex announced Wednesday on X. The “fair use” argument has become a focal point in a pivotal legal battle for generative AI. Several companies…

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