Deplatforming works.
Although it may mean fewer people become part of the community it would also mean that those that remain with it are now more isolated from the outside world and increase the precieved level of persecution? Would this then correlate with an increase in action?
I don't know the answer to this, it seems logical to me that each of these answers would be yes, but I definitely think it is a topic worth investigating and discussing.
Our laws explicitly forbid the national military "taking over" in such situations -- the national guard (state military) is who is supposed to be deployed.