Big Deal...

"The publication of this classified information by WikiLeaks is an irresponsible attempt to wreak havoc and destabilize global security"...

More likely it will destabilise some government officials or politicians when it becomes even more apparent how corrupt / incompetent they are, and how they are using the classifiction system to hide their dirty laundry.

No doubt there'll be a few red faces all round, but lets not kid ourselves. All diplomats know it's a game they all play, they all know that what they say about each other in public is different from what they tell each other in private, or what they tell themselves about each other behind teh other's back