Unlike some other commenters below, I don't believe that this is a privacy issue. Instead, I believe that it is a national security issue because TikTok is controllable by the CCP which is ideologically opposed to the United States. The next global conflict will likely be one between the east and the west, with control of information being advantageous to both sides in the conflict. China already blocks the western I…
Are you uncomfortable adopting that belief with literally no concrete evidence that anything of the sort is actually occurring?
I don't know how you reconcile rule of law with such drastic interventions in the rights of companies without evidence of wrongdoing. If anything you can come up with in your most paranoid fantasies can be the basis of shutting down a company, pretty much anything can be done to anyone on the basis of anything, no?