If there are 35 trusted organisations and governments around the World colluded to take over the network by taking over 18 of these organisations and getting th

If there are 35 trusted organisations and governments around the World colluded to take over the network by taking over 18 of these organisations and getting them to "untrust" the other 17, then this would splinter the network, and people around the World would need to manually repoint their resolvers at the other group of 17. This system relies on the fact that it is difficult to take down lots of independent organisations that are spread around the World at the same time easily.