Anyone who knows how heavy industry used to work in Scotland - shipbuilding is the example I know best - knows that for generations promotion was out of the question if you went to a school called St Anything's.
But the former head of the armed forces, Sir Jock Stirrup, told the BBC on Sunday that the aircraft carriers deal had been done for "entirely sensible" reasons - to persuade the UK's shipbuildingindustry to scale down and invest in rationalisation.
But hardly any details have been decided, particularly the tricky ones of how this will ease South Korea's blight of overcapacity in practically every industry, from shipbuilding to semiconductors.