The Troubles are now a century old. They are about religion and imperialism, not one guy who with a crappy spray-tan.
There may be all of the different kinds of violence you mentioned.
I have encountered a few bugaloos here and there, and this is what I tell them:
Don't call yourself patriots because patriots don't take up arms against their own country.
I hope you want stricter gun control because you yahoos taking up arms against your country is going to make that a very popular choice after you start shooting your own countrymen.
I hope you like ketchup because the military is going to turn you into a fine red paste.
It won't take them very long to realize what the rest of us know: that they are not a majority of Americans.
That kind of instability is going to make rich people lose money from other countries investing in countries that don't have a bunch of asshats trying to have a civil war, and THAT is when every resource available to the state will brought to bear on this problematic uprising.