I honestly have no idea, but entirely unsourced claims, screenshots, claims that purport to be from other people on social media, and posts that link to genuine

I honestly have no idea, but entirely unsourced claims, screenshots, claims that purport to be from other people on social media, and posts that link to genuine news articles which don't actually support the claim being made are all far more common. If I had to guess, dubious links somehow ended up with less credibility than no link at all.