You're invoking an ethos argument (appeal to authority). Basically, it's only valid if you accept US law as supreme, which in the very act of leaking documents

You're invoking an ethos argument (appeal to authority). Basically, it's only valid if you accept US law as supreme, which in the very act of leaking documents showing how legislators and executive agencies abused their positions actually invalidates the very rule of law you apparently are so willing to kowtow to. In a more uncouth context, it's the kind of argument that would lead to one being deemed a "bootlicker", but we can stick with an apophasis to such for now.