What they did is okay, except: "The public hospital, which houses the endpoint of FabFi Afghanistan's longest link, has become a shared community resource, providing downlinks to a growing number of locations in the city center." It's not a good idea to give a major facility a large role in the network, because such a facility represents a big target for the government. It's a good start, but in the long term, any serious attempt at resisting censorship must use the utmost in guerrilla tactics.