You wouldn't even be arguing that. You'd be arguing that money corrupts people, and because there's lots of international money managed by the UK, the UK is the

You wouldn't even be arguing that. You'd be arguing that money corrupts people, and because there's lots of international money managed by the UK, the UK is therefore "corrupting". So what? Money corrupts, this is not news. In any economy where you have regions of the world that specialise, there will be regions with lots of banks.