Is it possible to make mods by directly modifying XML files? And if so, where can I find these files?

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Can some pathetic idiot who created this idiotic app explain to me how I'm supposed to play when the debugged AI is 3 epochs ahead of me in turn 10 - then it introduces dystopia and I'm screwed after 10 hours of play because I can't do ANYTHING to restore order in my country?...

I started playing this game after getting hugely disappointed by Civ 7. Many people are calling this game unfinished, and I went in with the expectation that it would lack many features, features that supposedly would be added by DLCs later. But the more I play, the more I feel this game is actually quite feature rich already, especially with how the different ages bring different gameplay elements. It's actually already a very deep game! I actually found myself being constantly surprised by the new t...

This game looks like a Walmart version of Civilization, even Civilization 4 (2005, guys ) looks better than this game in my opinion. Thank you for coming to my TED Talk.