This software is excellent for pseudo science. For example, young earth peddlers will be able to generate entire mambo jambo references and use them to indoctrinate more people.
I'm still waiting for all of the FUD the GPT3 doomers were warning us would happen. It's been out for a year now.
Either our existing reputation systems are pretty resilient or no one has yet seen any actual value in generating generic text at scale for malicious purposes.