If we were allowed to do just what is necessary for survival we would spend way, way less time on it than we do working now

Sure, bud.

Picking weeds from a crop just big enough to support a family does not take 40 hours a week 52 weeks a year

Sure, bud. I guess you've never met a farmer? It's famous as one of those 9-5 jobs with weekends off, isn't it?

We live in a form of indentured servitude

Sure, bud. That famous form of indentured servitude where you get nights and weekends off, and are free to change bosses at any time.