This is not just about TikTok or other apps, and not just about app stores. As the title says, it's about whether we will have open networks in the future.
"Clean Carrier: To ensure untrusted People’s Republic of China (PRC) carriers are not connected with U.S. telecommunications networks. Such companies pose a danger to U.S. national security and should not provide international telecommunications services to and from the United States."
https://www.state.gov/announcing-the-expansion-of-the-clean-...
Note that it's also not just about the CCP, but "malign actors, such as the Chinese Communist Party".
Do you think the US administration has enough integrity to be trusted with such matters?