There is zero to worry about privacy because out of these social network apps, TikTok is the least invasive and doesn't really have much private information about users at all.
About security, US may worry about what such a powerful platform can influence users. Think about how people were saying about Facebook when Trump was elected. And how US has been using Facebook in other countries to influence people.
About security, US may worry about what such a powerful platform can influence users. Think about how people were saying about Facebook when Trump was elected. And how US has been using Facebook in other countries to influence people.