People can tell it's not true, but if they're outraged by it, they'll share anyway.
https://arstechnica.com/science/2024/12/people-will-share-misinformation-that-sparks-moral-outrage/
https://arstechnica.com/science/2024/12/people-will-share-misinformation-that-sparks-moral-outrage/
Comments
But how does one reliably rate the trustworthiness of a source?