It's worse than that. There's a reason the UN in general has turned to shit. Because highly corrupt countries aswell as amoral dictatorships are part of it and exert the same if not more influence than the democratic countries which initially founded it. Countries like China, Saudi Arabia and others are known to directly rig elections and buy votes.
Cruz is a nutter but people using him to act as if there wasn't a problem with handing these people decision making powers for the internet at large and influence is a huge disaster and that is what is effectively happening here.
It's more like they get to censor the internet for you aswell. Meaning this organization will decide that a website is "bad" and then try to forcecountries across the globe to block it. I.e it's as if China is handed the reigns to censor American media and purge anything they dislike. Because that is what it will ultimatively turn into.
"You can always make your own internet!" How about we from the get go do not hand the current existing internet to countries such as China or Saudi Arabia and not allowing them to influence decision making processes on censorship and what is acceptable across the globe?