There are so many things put together here almost randomly, because of that its easy to criticise the whole thing, but there are some reasonable things in it. Having barefoot connection with soil is definitely good for you, so is any reasonable exposure to nature. The key here is exposure to nature, walking on asphalt or concrete is not nature. This is about walking barefoot so that your soles connect to the soil, ea…
Also in the pre modern world. Spikey plants are in many places and my feet regular hurt in summer.
"but even the holiest of people would wear shoes when going on rough terrain"
Unless when done with purpose. It is a good awareness training, walking through the bushes barefeet. One moment of distraction .. ouch.