You don't have to be so extreme as to live off the land. If people would just love below their means and save, they wouldn't be in an absolute crisis the moment they lose their job.
Given that we have material wealth 5-50 times higher than most people who have ever lived, virtually all of us.
Given that we are on a status treadmill with legally created artificial scarcity -- well, I still don't think it should be that hard, but apparently it is.