Notice how original claim was "launder a lot of money for terrorism" as if it was something well-known, widespread and repeated. However the evidence so far is "how about this" and "how about that". I would appreciate something more specific like "the investigation found X billions laundered for Hezbollah".

Regarding your question: the whole concept of "terrorist states" is made up if you ask me, and UN agrees. States wage wars and commit war crimes (or "collateral damage" if you win the war), other states retaliate. This has little to do with the asymmetric confrontation with terrorist groups which inflict violence but then evade retaliation due to their secretive and decentralized nature. States can't do that: they are centralized and not secretive, you can find them on the map.