I think this is partly the purpose. The US administration does actually want to cut off communication between China and chinese in the US. It's a feature of this legislation, not a bug.
One would think that instead of cutting channels, the US would prefer to expand them, so that china residents would not only be theoretically aware of the greater nominal US GDP, but also could practically see for themselves all the material advantages[1] that freedom brings.
Goldstein: "... the Party member, like the proletarian, tolerates present-day conditions partly because he has no standards of comparison."
[1] not to mention that there is always a wider story than necessarily that shown by their international coverage. For instance, a quick search for (pardon my machine translation) "美国国际新闻" on youku got me https://v.youku.com/v_show/id_XNDcwNTI3OTk4NA==.html which is obviously not representative of the US as a whole.