But they can't. That would require resources which they have outsourced to OpenAI. If they documented their workflow all "productivity" gains would be lost. The whole point of AI is to get away with cheap and dirty. sounding high quality and competent.
God forbid the management UI of the publication adds one or two checkboxes with "Did you AI to prepare for this article?" and "Did you use AI to write any of the text for this article?" that authors could just check/uncheck themselves.
"AI" isn't a well-defined term, it's a marketing term. AI includes LLMs, but also seems to include basic autocomplete, spellcheck, and any other algorithm that runs on a computer.