ChatGPT breaks not just when you ask it about "David Mayer" but also when you ask it about AI researcher/law professor Jonathan Zittrain and also law professor Jonathan Turley. ChatGPT once defamed Turley by inventing fake sexual harassment claim:
https://www.404media.co/not-just-david-mayer-chatgpt-breaks-when-asked-about-two-law-professors/