The information on the Wikileaks site is confidential. Therefore, it should not be shared except among whomever it is intended to be privy to.
Granted, I've seen some interesting stuff mentioned on the news coming from that site, and I haven't heard of anyone being killed as a direct result of the leaked information--yet. It might not be as dangerous a thing as we at first feared. I'm not willing to bet money on that thought, though. Since I don't move in diplomatic or national security circles, I don't know what or how much damage the leaking of this information has already caused. Nor, I suspect, do most of the people who will comment on this question. Those who do move in such circles will not be commenting here.
I prefer to err on the side of caution, and I hope the site can be shut down--though that might be closing the barn door after the horse has escaped.