To be honest, that kind of sounds like a dystopian hell: chatGPT writing memos because we can't be arsed, and the reading the same memos because neither can the recipient. Why even bother with it?
With a well working rag system you can find the reason why any decision was made so long as it was documented at some point somewhere. The old share point drives with a billion unstructured word documents starting from the 1990s is now an asset.