Furthering this issue, why does the U.S "ban" China from the ISS? NASA collaborate with Russia on the ISS pretty closely. So I'm unsure why China is anymore wor

Furthering this issue, why does the U.S "ban" China from the ISS? NASA collaborate with Russia on the ISS pretty closely. So I'm unsure why China is anymore worse if we are talking about espionage...unless that's not what we're talking about.