They could, but they don't, at least that is what I'm getting from the article. Even if they do, someone with the capability and understanding required (ie. no

They could, but they don't, at least that is what I'm getting from the article. Even if they do, someone with the capability and understanding required (ie. not me) needs to bring that source up and verify that the claims align with the citation; the authors decided to use GPT-4 for this: "We adapted GPT-4 to verify whether sources substantiate statements and found the approach to be surprisingly reliable." I'm not happy with that either.