Earlier quoted context omitted.
You are getting downvoted, but this is a cool idea. Diplomacy has historically been a weak part of the series, and being able to shore that up may be a lot of fun to play against.
I would say diplomacy is the most misunderstood feature of the series. Players constantly say they want a stronger AI that's smarter at diplomacy. But whenever they have built an AI like that, their play testers complained that it doesn't behave like a real world leader (too ruthless). This experience led Soren Johnson (co-designer of Civ III and lead designer of Civ IV) to the realization that Civ AIs are supposed t…
Even many popular mods fuck this up! DEI in Total War Rome 2 needs submods to make the AI play by the same rules as the player!!! This is top of the most subscribed list right now FOR A REASON!!! https://steamcommunity.com/sharedfiles/filedetails/?id=36258...
Make the AI play by the exact same rules as the player. Make a scaling AI difficulty slider which goes from "piss easy" to "insane grandmaster" but without cheats. It's not that hard to do this, the chess engine crowd figured it out back in 2001. FEAR figured it out in 2004. Game AI has straight up not improved and at many times gotten worse in the ensuing two decades.