I think a part that is missing from the "national security" aspect is not just the data harvesting, in particular what you can do with it: manipulate the narrat

I think a part that is missing from the "national security" aspect is not just the data harvesting, in particular what you can do with it: manipulate the narrative. Maximize division, influence elections, spread misinformation, censorship, the like. Already happening in US-owned social networks, imagine what China can do on a China-owned network.