Earlier quoted context omitted.
we should also carefully note whether we currently appear to be on an upward or downward trajectory (IMO, downward) There's no interpretative reasoning required when you're looking at a graph of the level of violence in society - it can be, and is, something that we can measure. You don't need an opinion about it. There's nothing subjective to think about and decide on. It's based on information. As such, your opinio…
"There's no interpretative reasoning required when you're looking at a graph of the level of violence in society" Yes, there is. Imagine a society without justice/police in which people must fend for themselves. It would quickly deteriorate to the point wherein there would be a fair bit of violence. Imagine you - the same person you are now - in that situation. It would be a completely different dynamic of 'violence'…
that conclusion is not warranted by the premise. How about this as an alternative outcome: "Imagine a society in which people actively defend community values for themselves and in cooperation with a community of similarly concerned citizens. It would quickly stabilize into a mostly non-violent community."
What are police, but a group of people specifically dedicated by the community to a specific task? Just because there is no dedicated, professional person filling a role, does not mean the role will not be filled.