The puzzle of causal explanation is a core issue for social science. Searches for causal patterns can be overly mechanistic, seen for example in the desire for the magic bullet in policy, or the lionising of the celebrity policy interventions of the moment. Emphasis in policy interventions on transferable practice is often dismissed as naive for failing to recognise the importance of context, contingency, and complexity. However, a focus on highly context-specific narratives, drawn from single cases, can be equally problematic and exacerbate rather than help the problem of reifica--This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.