As long as the new ban bot is concerned that is the one which is responsible for the current bans, I think a small modification in the code should satisfy that condition. Like the bot creator can check if the copied posts are written in 2017 or less and the count of copy-pasted posts is > 2.
The bot might be a myth, though...Damn, thanks for that link. Kinda explains everything that was needed.
Suchmoon is not a myth, she's a legend.
Or a very good JavaScript developer who knows how to use the ES6 style syntax eloquently. There could be a few places where spread operator could do wonders but regardless, they write better code than most of the JS-based extenstions related to bitcointalk I've seen.