Not defending China or Tiktok, but a little perspective might be in order. Its not like US technology companies haven't been helping Uncle Sam with spying activities and collection of sensitive personal data. What? This is in the interest of freedom and democracy of America? Not with Trump. The moral hypocrisy of the Trump administration is well-known. The argument that China's oppression is far worse (self-evidently true) does not change the reality that this is more about US' naked self-interest in protecting American ability to spy on the rest of the world:
https://theintercept.com/2020/08/06/...free-internet/