Old people in the developing world often have knee or back problems. I don't think significant squatting is a good idea.
The article buries the fact that "there are studies to suggest that populations that spend excessive time in a deep squat (hours per day), do have a higher incidence of knee and osteoarthritis issues."
The article buries the fact that "there are studies to suggest that populations that spend excessive time in a deep squat (hours per day), do have a higher incidence of knee and osteoarthritis issues."