Old skills and gratitude

In the hills north of Montpelier, Vermont a small group of folks (some of them are herbalists too, studying at our school) are teaching skills humans have possessed for a long, long time. The Roots School instructors have been mastering tracking, tool-making, weapon-crafting, fire-summoning, fiber-spinning, hide-tanning and more...

Many people are interested in these traditional approaches to meet the basic needs of life. Why is this? Does learning this stuff have any inherent value?