This article reflects on the role of public sociology in the debate on the systemic crisis of western capitalism reinvigorated by the 2007–8 global financial crisis. The article argues that, in the current moment in history, sociologists have a professional duty to challenge the growing irrationality of the economically rational public discourse and to more vigorously uphold the formulation of alternative ‘real-utopian’ discourses. The article first introduces capitalism’s core ideology – economic rationality – arguing that it has hardened into the irrational dogma of the ostensibly rational West, with an unrelenting grip on the public discourse, especially in the ‘neoliberal’ Anglosphere. The ideology suppresses measures needed to address issues such as global warming and global financial disorder. Contemporary ‘Anglo’ sociology, including Australian sociology, is internally compartmentalized, self-referential and of marginal influence in the public sphere. Moreover, it espouses economic rationality in its practice within increasingly corporatized universities, while maintaining a progressive cloak over its intellectual products.