One thing that hasn’t been mentioned yet is how these games redistribute resources/tear down existing power structures. Fallout and Grand Strategy games all start with the tone that everything is starting over, ie nobody in Civ starts with all the land and wealth. A fair slate instinctively fulfills a comrade’s ideals, while allowing the fascists the opportunity to BECOME the power structure and make everyone else submit.

Fallout specifically touches on leftist libertarianism in how many of its civilizations operate, but generally speaking all of these games allow you to see and build political power as you see fit.