Then you are lucky that you haven't had to find true joy in life without finding something much uglier first.
For some of us, we stumble into a dark place that we most certainly have to find our way out of. It is, for the most part, different for each person. A long, drawn-out process can be in store in order for you to find your way out and it can make you haggard. There are some people who let it get the best of them, and they never find their way out. For the people that do make it out, they have a much better appreciation and a clearer perspective of life and are stronger people.
We all have to face our demons sooner or later. Sometimes they'll show face when you least expect it. You are never fully and truly prepared to face them.
Take it from me. I've been there before. And who knows? I might just have to go through it again in the future. I know I still have plenty of life left to live, even still.
I don't want to speak for Camino, but it seems what's troubling him runs much deeper than the automotive industry. And I don't think he means living like a hermit in a shack in the woods, either.
Like Moltar said, I can see why and know why someone wouldn't want to live out their time on this big ball of dirt functioning as just another small, insignificant part of the machine. Some people just aren't meant to function that way.