Even that one about literal terrorists ends up changing absolutely nothing about society.
Code Geass never discarded its anticolonialist theming
But it never be anything more than wearing anti-colonialism as a theme though. All the anti-colonialism movements are brain dead backward monarchist and other feudal alliance who got infiltrated by a white savior figure that took over the movement for personal benefits. It even tried to frame Japan as a victim of colonialism and imperialism while having no understanding of how brutal actual colonialism is. Worst of all, at the end of the show it was just two cliques of the world super imperialist power duking it out with nukes to see who’s the world emperor, which the white savior guy decided should be his sister.