I would feel endlessy uncomfortable in voting for the ban of the hard work of the devs out of the MP world

The nation is very nicely thematic also.
But maybe some things could be adjusted... Hinnom is a powerhouse in early game (starting army, PD), and middle game (none of the giants' traditional weaknesses, incredible research potential with mages not requiring labs to be recruited), and late game (Lords of Civilization, access to almost every path). Seems really hard to stop in the hands of an expert