Samples of published writing done by AI (that should have never passed the peer review)

https://www.sciencedirect.com/science/article/pii/S2468023024002402?via%3Dihub (see the Introduction)

https://www.sciencedirect.com/science/article/pii/S1930043324001298?via%3Dihub (now edited to remove the offending part, but originally looked like this -- see Abstract: