I once employed a "ghost writer" to write a book because I didn't have time to do the research and she was very cheap. She did a brilliant job of accumulating the information and writing about it but, although her English was excellent, it was clear that she wasn't a native English speaker.
On reading a few articles on this site (link below), I get the same impression. Someone is paying writers to cram together articles. The sentences are sometimes repetitive and the English phraseology is not quite right. Also, there's a lot of "according to sources" and "according to studies" without reference to those actual sources or studies.
Maybe the site owners make enough money from adverts but my guess is that they are funded by those who fund the "fact checkers". I'd take any article with a large pinch of salt.
Nevertheless, it's a useful basis for research - i.e. do your own fact checking.
I wonder if it is AI. You’re right. Something is off, but the frankincense article had an error that was computer-generated repeatedly. “StudyTrusted Source”