Does using LLMs as fact checkers make things better or worse?

TL;DR: Worse. I’ve been developing AI tools to support (human) fact checkers for several years now. The tools that Full Fact produces are now used every day by fact checkers around the world to help monitor the media and find claims that might be worth checking, and to find repeats of known falsehoods. This helps them to hold powerful people to account and to push back against misinformation. But…