Well if you want to look at this light hearted story as an uplifting positive post-apocalyptic fantasy then there's nothing wrong with that. However, if you truly believe that barbarism and brutality won't be the new normal after any post apocalyptic scenario then my friend, I submit you're not going to live long if an apocalypse actually occurs and you live through the initial "event." Which is probably for the best anyway because who would want to survive to see that world. While I am well prepared flexibly for a multitude of different scenarios I'd certainly prefer to be taken out by the "event" itself. Especially because I'd miss beer and air conditioning. Not to mention antibiotics and toilet paper.
Unfortunately, what would occur in a post-apocalyptic world isn't a matter or optimism. It's a matter of fact based on the fundementals of humanity's nature. The first civilizations of ancient history didn't form from fairness and civility. They formed from barbarism and we're led by tyrants who were strong enough to not only take what they wanted but keep what they took.
Sadly, humans are humans and while we are communal and social by nature, we're innately also territorial and selfish. Civility comes from civilization, it doesn't create it. Civility is also largely dependent on the presence of law and order and the enforcement mechanisms present in a functional governing body. Take that away and leave desperate people to their own devices and they'll act desperately. We're tribal and competitive. Given the fundamentals of human psychology it's really no surprise that the result of removing the rules and the social and physical infrastructure of a functional society would 100% plunge mankind into decades, if not centuries of barbarism. The strong would prey on the weak as a matter of normality. Small isolated communities might initially survive and even maintain a small semblance of civility but only as long as supplies last and then only until a stronger more aggressive group finds it. One need only look at history to understand how this would all play out. The truth is we're really no more socially evolved than we were 2000 years ago and in some ways, we have even de-volved. The only real difference between civilization of today and, say, two millennia ago is technology.
Eventually, assuming the environment is still at least partially viable enough for agriculture, feudalism would spark up and would re-form and small, organized communities would form which would eventually lead to a recovery. However that would take a very long time. The first functional "communities" of post-apocalyptic world would be dictatorships of all varieties. Most will be tyrannically governed but a few, perhaps, could governed with a small element of fairness. Eventually trade and supply lines would be re-established, new and well organized governments would form from the feudal dictatorships and slowly freedom and civility will return to the world.
That timeline depends entirely on the nature of the apocalyptic event of course. A bad enough event could set us back to the stone age.