The tools idea should include building things such as houses, tables, barns, etc. plus fixing a car, tractor, tire, etc. Many people can’t build, fix, operate, or even sew. A person needs to know how to grow, harvest and store food, how to hunt, fish, run a saw, drill. The list goes on. Age and life experiences build wisdom. If the SHTF. Ignorance and lack of common sense is terminal. IMO
Truth!