No, I think the plan is to have the country kill themselves, and that will work quite well in the cities. Afterwards UN peacekeepers come in to "maintain order" and seize property. But the Amish will be in good order.
I lived in the country most of my life so far.
As a boy, we had to be careful when we rode our minibikes down the long dead end road across from us. The Pagan biker gang used to hang out at times in "the tunnel" underpass and party.
Later I was shot at more than one occasion by redneck groups. I've had threats and attempts on my life of all kinds in that "nice middle class neighborhood." We had great neighbors, but you couldn't depend on them getting involved when there were break ins in the middle of the day.
The chief of police's son at the time was always committing crimes and getting off.
I had to deal with WVU college football players and other athletes who could have killed anyone with or without a weapon.
Has I been a pacifist, the meth head who tried to get into my house would be using my phone right now and sleeping in my bed.
That's in a nice neighborhood with professionals seniors and families living around me.
As for the Mennonite, Bruderhoff, Pennsylvania Dutch groups, I don't have reason to believe that they will be forming marauding gangs. I just see them as easy targets and victims of such.