Also because corporations are training AI on artists' work without their consent in order to automate them out of the industry.
This has been debated and litigated here ad nauseum so here are some articles:
https://monikazagrobelna.com/2022/12/20/why-artists-dont-lik...
https://www.forbes.com/sites/danidiplacido/2023/12/30/ai-gen...
https://www.theguardian.com/global/commentisfree/2025/jan/08...