Because when US politicians advocate for a single, global market, and a single, global internet, it is with the understanding that US firms and allied parties will dominate the space anyway. When that is no longer the case they get about as nervous as the Chinese got when they went and built the Great Firewall and made a clone of every popular western platform. Now that US/Western dominance is seriously challenged, we are seeing more and more signs of protectionism.
Because when US politicians advocate for a single, global market, and a single, global internet, it is with the understanding that US firms and allied parties will dominate the space anyway. When that is no longer the case they get about as nervous as the Chinese got when they went and built the Great Firewall and made a clone of every popular western platform. Now that US/Western dominance is seriously challenged, we are seeing more and more signs of protectionism.