If just one big giant aggregate network
then it could be ended just as easily as switching off an ISP.
But millions of small meshes each a few hundred nodes can outlive governments
Maybe. There is of course already lots of war tech on this that you might end up competing with. Low tech communication channels are usually easy to find.
There is no competition - none at all.
There never is any competition
when the entire community is trying to communicate
against the will of the government.
