Every generation says the same about the next generation. As I was growing up, my parents said the same about my generation and my grandparents said the same about my parents. And now, I hear it from my generation down to next. I think it can be traced all the way back to the caveman days when Uggag and Orkk lamented that their sons could not light a campfire unless they had rock and flint.
IN all seriousness, Hikermor summed it up best. "Needed and relevant skills change with the generation."
What you or you parents and grandparents learned 50-60 or more years ago, much of is not relevant nor safe today. Also many of those old timey skills and knowledge have proven to be downright dangerous and have brought about massive changes in not only building or electrical codes to medical diagnostics and treatment to automotive safety design changes to survival skills to name a few.
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Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.
John Lubbock