copyright infringement

AI is trained on data, in the case of graphic tools such as Imagen, Stable Diffusion, DALL·E, and MidJourney, the training sets consist of terabytes of images comprising photographs, paintings, drawings, logos, and anything else with a graphical representation. The complaint by some artists is that these models (and accompanying commercialisation) are being built on the backs of human artists, photographers, and designers, who are not seeing any benefit from these business models. The language gets very animated in some forums and chats rooms, often using terms such as “theft” and “exploitation”. So is this copyright infringement? Are OpenAI and Google about to get sued by artists and photographers from around the world?