"Hey, someone on the Internet used decent diction! Obviously, this means I must accuse them of being a bot!"
(Hey Dang. Can we get a ban button? There's a few people here that are impossible to conduct rational discourse with. My sanity would improve if they were simply gone from my view.)
You've edited the response since you posted it. I think there's a difference between diction and the standard output of ChatGPT et al.
You could create a browser user script to do it locally.
There is an extension called HN Friends that allows to add information to a tooltip for users and shows a hint that there exists such information.
Use this as you like.