Don't be daft ... ?
... after a sup of Erdinger all UK beers are merely fizzed up flavoured water.
And the reason is probably that age old one of internecine class warfare in the UK taking almost all surplus resources?
(Anyone: the discovery of North Sea Oil would be used by PM Magi Thatcher for the death of the unions and mucho impoverishment of UK working classes. They, the guvmint and its civil serventia, wished and wanted for a working class that would never ever protest, never ever wish to stand up for its rights and served the mighty dollar and mightier UK pound with every ounce of its being (else it starved)?)
Surely not, no?
