no one that has used it would be surprised by that.

also did they write the study with ChatGPT?

NO SHIT SHERLOCK

The link from Indiana University School of Medicine may be preferable:

https://medicine.iu.edu/blogs/research-updates/artificial-intelligence-and-research-publications

I could see people generating papers to support any quack argument on Facebook being a problem.

Fortunately, we have peer reviews and reputable scientific journals as a filter for this. However, with low scientific literacy, many may not know the difference.