The moral of the story? Use the right tool for the job. Using an Opinel to convert a sapling to firewood is like entering the Paris-Dakar in a Smart car. That's quite a feat.
When I fly commerial, I make sure to have a parachute, a reserve chute, an inflating raft, and an oxygen tank and regulator with my carry-on.
I think you are reading the wrong story, Rdelliott. The story is about making do with an underclassed knife by subsituting technique for strength. By using a variety of tools, you'll learn to appreciate and make use of the their respective qualities. However, don't despair if you are without your tiger-striped Armagedon Executionator Doomsday Blade and only have an Opinel.