Depends on how you figure the collapse of civilization and exactly what it means and what it looks like.
At some point, every civilization collapses. And the reasons vary. Are we (in the USA or the world) close to the collapse?
Again that depends. Individual civilizations have come and gone in the past without much fanfare. Others rose in their place. But in the past the connections between components of those civilizations were not as interconnected nor as dependent on each other as they are today. Mostly every group could support themselves already at the agricultural level in centuries past.
Today, it may be more precarious. How many people today know how to plant and raise food crops and preserve them to last the winter? How many folks know how to hunt wild game and process it? Not many, I would venture. How many even live close to a wooded area to access the game without having to jump into a car and drive?
A ripple in the economy of a small country in Europe causes great concern (Cypress) and markets move around the world. One country going down economically due to mismanagement of it's internal finances could theoretically be the trigger point for a global collapse of the house of cards. I just finished reading a book called Currency Wars. A global collapse of this nature is not a far fetched idea now. And.... to make it more scary, the things the various governments are doing (of a financial nature) are basically painting them (and us) into the proverbial corner where the results have been documented time after time in history by other countries and groups who have done the identical things we are doing...and how it always ended badly.
Being able to provide food, shelter, clothing, and defense is not only a good idea, I think it's critical to our survival should the proverbial SHTH scenario occur. Unless policy on money and spending change, and not just here in the USA, but in the entire world..... the possibility of a global collapse of the currency and all that would entail is a real possibility.
Look at the Weimar republic, look at Columbia, look at a number of the African countries. Heck.... look at the good old USA.... we have had some bad times financially when this country was getting started. Just read our early history. Worthless money... no credit.... high taxes.... the list goes on and on. Everybody thinks the big crashes were in the great depression and then again just a few years back with the stock market decline..... chump change.
We're all doing what they did. You can't buy food if the price is hyperinflated and no one wants your worthless paper money. The panic that would result in just days..... not good.
I don't think the world will end with a meteor, a super volcano, a tsunami, or from a religious reason. There are those who do. I think the more eminent danger is in the monetary policies in place currently. These are unsustainable and will collapse.... it's anyones guess as to when, but I think we are witnessing the tremors now that will precede the total global collapse of the paper money.
When it happens, not if, but when, you don't want to be in a city. Preferably you want to be out in the country, on some land, with some like minded folks, so you can work together to survive until things are restored to some sense of normalcy... however long that will take. My guess is it won't be a quick fix if it's global in nature.
I could paint more details into this picture of what I think it might be like on a daily basis during this time of distress, but I'll leave that to your imagination for now.
It's always a good idea to be prepared. You never know what might happen.
That's my 2 cents worth.