When doing the sums, Mr Worstall might want to factor in the cost to taxpayers of those free-riding companies that are failing to discharge their basic responsibilities.

FORBES: A Response to Global Witness

Discharge planning can go awry as hospitals become desperate to free up beds.

BBC: The consequences of a busy day

The 'modern' stuff goes straight for the jugular with opening track Free Speech For The Dumb - a fast and furious re-working of the 1982 song from second generation punks Discharge.

BBC: Garage Inc - Metallica