Yes it is. You basically being a fascist by turning up using physical force to block free speech
You invoke violence by disrupting somebody elses rights. You force people to use violence/force to remove you in order to maintain the right to free speech.
SIGSERV is basically a page fault in userspace. Its just named differently. The user mode linux kernel port makes use of it in exactly this way.
Another use case would be a massive one to one hash table. You allocate the address space and when you fault on it you load data from a database on demand and continue execution.
There's also something in Mach for this on OS X, but I forget the details. And a handful of non-UNIX OSes have had support for an outside program being able to get notified efficiently on segfaults and map pages in.
You invoke violence by disrupting somebody elses rights. You force people to use violence/force to remove you in order to maintain the right to free speech.