The point is that the widely used services and applications in the US are either from the US or from countries that are safely within the US's sphere of influen

The point is that the widely used services and applications in the US are either from the US or from countries that are safely within the US's sphere of influence. TikTok is an exception as it comes from a country that is as much outside the US's sphere of influence as the US is outside the sphere of influence of European countries (or of any other country in the world).