Because it's a machine that reproduces other people's work, who are copyrighted. Copyright protects the essence of original work even after its present in or tu

Because it's a machine that reproduces other people's work, who are copyrighted. Copyright protects the essence of original work even after its present in or turned into derivative work. Some try to make the argument of "but that's what humans do and it's allowed", but that's not a real argument as it has not been proven, nor it is easy to prove, that machine learning equates human reasoning. In the absence of evidence, the law assumes NO.