WCITLeaks.org cofounder here. You're right that the language sounds more benign than they way it is described, but remember that this is diplo-speak and it is occurring in a pre-existing context. The Chinese proposal is actually pretty sweeping when properly interpreted, and is cause for some concern.
Okay ... I can accept the idea that diplo-speak is often a cover for power-grabs and may certainly be the case here, but how do you go about this "proper interpretation"?
I find any secrecy like what happens in many treaty negotiations to be concerning, I don't need to be sold there, but to trust your interpretation I need more transparency from you.