These countries did 
I think people are reading too much into this, Not much has changed really, especially since the Saudis and US were considering a defense treaty in return for recognizing Israel, which was only interrupted by the war on Gaza. Once the Israelis are done with the genocide they will get back to it. Some in the US foreign policy establishment may think the world trading in Yuan makes the Chinese economy more susceptible. All I am saying is If this was a big blow to the US economic dominance they would have done something stupid about it. Idk it could be the doomer in me.
The biggest challenge personally, is a lot of softwares (CAD, 3D rendering) I need for work and school don’t work on Linux or I need to install a windows virtual machine which the only good one is proprietary, VM ware, I install Linux old devices for my family tho
The ICC seeks for criminal punishment of perpetrators of certain crimes. It’s a criminal lawsuit and requires high burden of proof ( beyond reasonable doubt). The ICJ on the other hand is like a civil court. Anyone who think they’ve been damaged or want the damage to stop can sue like South Africa did. It’s has a low burden of proof. No person will be jailed because of it. Though the ICJ can refer things to ICC prosecutors. The system is set up to mirror justice systems in liberal capitalist states, We shouldn’t expect any thing to come out of it. Just as we won’t expect anything good from corrupt justice systems elsewhere .