If it is true that...

Once the loops on fabricated claims and citations are closed, it is no longer enough to simply trace a few citations from the comfort of one's computer

and

Once the loops on fabricated claims and citations are closed, is it no longer enough to simply verify a watermark indicating that some text passed through OpenAI’s servers at some point

Then it must be true that...

Once the loops on fabricated claims and citations are closed, one may have to start doing real-world things to establish that authors didn’t exist or the events did not happen

If it is true that...

Once the loops on fabricated claims and citations are closed, one may have to start doing real-world things to establish that authors didn’t exist or the events did not happen

and

Doing real-world things to establish that authors didn't exist or the events did not happen is both a lot of work and itself highly unreliable

Then it must be true that...

Once the loops on fabricated claims and citations are closed, the fact-checker is in serious trouble