Yes, what is the argument?
(And personally, I don't think we should expect more whistle blowers in the coming years, because the NSA sure as hell will make sure it will never happen again, so this makes this moment even more important.)
He did all this showing us that he's ready to be tortured and die for this cause.
EDIT: This is history being written. What happens now and what does not will define the future we and our children will have. I thought this was 100% obvious.
If we say that increasing international tensions is a way to make peace between nations more likely then I say why not, might as well go for it.