Comparing digital sovereignty w/r/t critical services are hosted to "The Great Firewall" is absurd. It's not the same thing at all.
China and Russia blocking YouTube is different from making sure the entire EU government and economy can't be collapsed by US turning the screws on Amazon.
Come on. We can draw a straight line from the GFW to companies like Baidu and Alibaba. Without it, they would (initially) struggle in direct competition with endemic US products.
China and Russia blocking YouTube is different from making sure the entire EU government and economy can't be collapsed by US turning the screws on Amazon.