In addition to the ethical issues surrounding how the AI is trained on the work of human artists and the lack of transparency about what inputs it's relying on to create texts or images... there's the problem that people are far more willing to ascribe competence, creativity, and thought to something that's basically a calculator.
They're relying on it to do things like write contracts or answer factual questions--and it can't do that. Not really. It can only appear to do that.