Based on your first couple of sentences, I feel like you don’t understand what the concept of the government possessing the monopoly on violence means… Like, in terms of that role socially (as in, for society) itself, or in practical terms. I’m particularly confused by you seeming to assert that technological advancement somehow had altered/was altering this… Governments have used - and I’m sure will continue to use - all of the things you mentioned and a great many more to maintain their monopoly of violence. It isn’t an actual office somewhere or anything technology can necessarily supplant, it’s more of a social construct/contract