I think some people are missing the point.
I don't think he's saying everyone needs to physically build a house and grow your own food. What I do think he's expressing, is we need to stop trying to "keep up with the Joneses" and not let our society, fashion, peers or anyone else dictate to us how our lives should be lived. We get so caught up in this little ridiculous crap that we'll do things like work 12 hours a day at a job we hate, to come home to a place that has six bedrooms, marble bathrooms and a kitchen big enough to cook for a basketball team. And at the end of the day, it makes you miserable.