https://www.popsci.com/technology/ai-generated-text-scientific-journals/

Here you go, things are getting pretty bad with ai, and don't doubt that it has happened plenty of times before, there is plenty of evidence of misleading sudies paid by big corporations saying this and that about some thing or another that is completely false, I think in recent memory in the US there's been a big thing about downplaying the effects of sugar in health a few decades ago. So yeah