Could he corner one particular singular market....Maybe.
Could he corner a sector? Doubtful.
I went short a couple issues yesterday....am I a bad man?
If you didn't short with the intent of ruining the overall economy you are probably not a bad man; since I don't know you I can't make a judgment on your character.
It is not just Soros. It is a group of hedge funds with almost unlimited capital and they are making a killing.