"The "guts and stubbornness" is there in a few individuals, as it was back in those days. All that's needed are the circumstances that drove those individuals to bring it out. They are pretty much nonexistent today.…"
"Damned kids are worthless." 'twas ever so.
And well, if you want to demonstrate a decline in sheer guts and stubbornness, try and find the modern equivalent of Hugh Glass, Portugee Philips, or John Colter."