Systemic limits to growth require that the inevitable recommencement of the solar trajectory scorches jagged perforations through such civilisations. The resultant ruptures cannot be securely assimilated to a metasocial homeostatic mechanism, because they have an immoderate, epidemic tendency. Bataille writes of ‘the virulence of death’. Expenditure is irreducibly ruinous because it is not merely useless but also contagious. Nothing is more infectious than the passion for collapse.