Can you really be radicalised by Great British Railway Journeys?

The late Robert Conquest adumbrated three rules of politics. Perhaps the most famous (also known as O’Sullivan’s law) is that ‘Any organisation not explicitly and constitutionally right-wing will sooner or later become left-wing’. I would like to add a fourth law: ‘Any programme set up by government will inevitably metastasise unless consciously cut back by observant officials.