That does not follow. "Decentralized" is not a defense against "penetrated by the NSA". It just means that it's more work - one attack doesn't give you the keys to everything.
On the other side, from the Iranian perspective, it means that systems are secured by different people from different organizations with different degrees of training. That's a recipe for a number of attackable systems.
On the other side, from the Iranian perspective, it means that systems are secured by different people from different organizations with different degrees of training. That's a recipe for a number of attackable systems.