The concluding chapter synthesizes the arguments of the volume and advances its central claim: that Indigenous political economies are indispensable to any serious rethinking of justice, development, and sustainability in the twenty-first century. Revisiting the themes of land, labour, governance, knowledge, extraction, and resistance, it argues that both neoclassical economics and communist productivism have failed Indigenous peoples because each reduces land and life to resources to be managed, optimized, or absorbed into external systems of value. In contrast, the chapter foregrounds Indigenous institutions such as the siida and the ayllu as examples of adaptive, collective, and ecologically grounded economic organization structured by reciprocity, obligation, and long-term responsibility. It then elaborates the book’s overarching theoretical intervention, Symbiotic Gaian Economics, as an alternative framework that places survival, relationality, ecological embeddedness, and intergenerational accountability at the centre of political economy. The chapter compares this model directly with dominant paradigms and explores its implications for metrics of prosperity, commons governance, rights of nature, regenerative development, and ecological budgeting. It concludes that Indigenous resistance is not only oppositional but generative: it offers practical and philosophical resources for reorganizing economic life and for building more just, plural, and ecologically grounded planetary futures.