I've written some super long emails; but I also include a TL;DR summary at the top when I do. Sometimes, the "how to get to the summary from the current, common

I've written some super long emails; but I also include a TL;DR summary at the top when I do. Sometimes, the "how to get to the summary from the current, commonly known info" (long) part is useful; but not for everyone. And certainly not right out of the gate. That being said, I'd almost never trust an AI to generate the summary part.