This isn't a new insight. It's been well-documented for years that repeating known falsehoods is about declaring tribal allegiance, it's not about the content of the claims themselves.
A quick web search on fake news and tribalism reveals these earlier articles:
A quick web search on fake news and tribalism reveals these earlier articles:
2017: https://fortune.com/2017/01/13/fake-news-tribalism/
2017: https://www.nytimes.com/2017/01/11/upshot/the-real-story-abo...
2023: https://www.apa.org/pubs/journals/releases/xge-xge0001374.pd...