The great French philosopher Blaise Pascal once wrote: "All human evil comes from a single cause, man's inability to sit still in a room." By that token, I suggest to Michael O'Leary, he is one of the world's most evil men, enticing millions of hitherto stay-at-home Brits and other Europeans to jet around their continent, befouling its air with carbon emissions and defacing its landscape with excrescent airports.