The websites, which often fail to disclose ownership or control, produce a high volume of content related to a variety of topics, including politics, health, entertainment, finance, and technology. Some publish hundreds of articles a day. Some of the content advances false narratives. Nearly all of the content features bland language and repetitive phrases, hallmarks of artificial intelligence.

https://www.theverge.com/2023/5/2/23707788/ai-spam-content-farm-misinformation-reports-newsguard