I get the impression that you are starting to worry about this. I have been worrying about it.
I’m not worried about death. I’ve got that covered.
I’m more worried about living in the early 1900’s because the supply chain for things I consider to be necessities (but in reality are just conveniences) is broken.
Mostly I worry about municipal water treatment chemical availability and continued electrical power.
I contemplate those two things a lot anyways. I like potable water out of my tap and a/c. I’m spoiled that way.
I am concerned.
I always considered being worried as going tharn.
If you are concerned, you look at it, think about it, and think about what you need to do.