Self-hosting a DNS Root Server

With the scale of conflict between China and the United States increasing, on some social media websites in China, some users started expressing concerns for the United States cutting China's access to DNS root servers or removing China's domains in the root servers in order to break China's Internet. By now, there is much analysis on the matter that states that this is unlikely to happen. Most of them focus on the following two points: DNS root servers use Anycast to broadcast their IPs, and there are root servers present in China that won't be affected by the network cut; For the United States, shutting down root servers cause more trouble than benefit, both economically and politically. Yet today, I'm going to present another point:...