Earlier quoted context omitted.
You are surely aware that there were FAR more wars before this. War was basically just a fact of life for most people in most of our settled past.
There have been other periods of global peace caused by domination of a single power, no one else argues that it was a good thing for everyone else involved. I could try and argue India is now a better place because the period know as Pax Britannica almost gave them the toilet but you'd rightly consider me a mad man. Do you think any of the places listed above were improved by being turned in to weapon testing ranges…
* Non-war, I think, is a less charged term here, “peace” sounds like an unmistakably good thing, which it isn’t necessarily — or at least there is a long debate to be had about that as well.