He did not manipulate pound. UK government manipulated it by locking the exchange rate that did not reflect the fundamentals. Pound was doomed, Soros just profited from the crash. So, yes, great stuff - government should pay for its stupidity. Unfortunately they pay with our money...
He shorted the pound enough to move the market significantly, and his buyback strategy deliberately prevented any stabilisation. The crash wouldn't have happened or at least wouldn't have been as bad without his involvement.
a good overview of the origins of the crisis. how politicians for their own shortsighted gains made one poor decision after another and led the country into financial crisis.
