We know that in certain countries there exist "single points" where a majority of internet traffic flows [0], but if those points get cut off, couldn't you reroute the traffic? Isn't that the point of decentralization in the first place?
And if it's technically feasible, would encryption tools like VPNs, DNS encryption or even Tor help in a situation like this?
[0] - https://www.washingtonpost.com/news/capital-business/wp/2014...