He played the game according to the rules. You can't fault a winner when he wins on a even playing field.
You're talking about the Chancellor of the Exchequer who decided it was rational to keep pouring money into the other side of the trade Soros was making, I hope.
The country was worse off because its fiscal policy, determined via politics, amounted to a completely untenable long term position. An epic disaster was the only possible conclusion.